Latest years first · counts are girls + boys combined (split shown in table).
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 2024 | 62 | 62/0 | 15,368 | 25/15,343 |
| 2023 | 64 | 64/0 | 14,810 | 28/14,782 |
| 2022 | 65 | 65/0 | 15,189 | 28/15,161 |
| 2021 | 48 | 48/0 | 14,733 | 26/14,707 |
| 2020 | 41 | 41/0 | 14,298 | 23/14,275 |
| 2019 | 58 | 58/0 | 13,986 | 22/13,964 |
| 2018 | 58 | 58/0 | 13,518 | 19/13,499 |
| 2017 | 55 | 55/0 | 13,239 | 15/13,224 |
| 2016 | 61 | 61/0 | 13,083 | 18/13,065 |
| 2015 | 62 | 62/0 | 11,687 | 20/11,667 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 2014 | 66 | 66/0 | 9,463 | 13/9,450 |
| 2013 | 42 | 42/0 | 7,287 | 12/7,275 |
| 2012 | 57 | 57/0 | 5,931 | 9/5,922 |
| 2011 | 60 | 60/0 | 5,422 | 9/5,413 |
| 2010 | 45 | 45/0 | 4,671 | 7/4,664 |
| 2009 | 38 | 38/0 | 4,294 | 7/4,287 |
| 2008 | 42 | 42/0 | 3,615 | 11/3,604 |
| 2007 | 59 | 59/0 | 2,917 | 7/2,910 |
| 2006 | 66 | 66/0 | 2,352 | 0/2,352 |
| 2005 | 54 | 54/0 | 1,793 | 0/1,793 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 2004 | 46 | 46/0 | 1,497 | 6/1,491 |
| 2003 | 42 | 42/0 | 1,379 | 5/1,374 |
| 2002 | 64 | 64/0 | 1,171 | 5/1,166 |
| 2001 | 71 | 71/0 | 978 | 0/978 |
| 2000 | 66 | 66/0 | 978 | 0/978 |
| 1999 | 76 | 76/0 | 782 | 0/782 |
| 1998 | 87 | 87/0 | 740 | 5/735 |
| 1997 | 96 | 96/0 | 669 | 0/669 |
| 1996 | 108 | 108/0 | 607 | 0/607 |
| 1995 | 108 | 108/0 | 597 | 0/597 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1994 | 119 | 119/0 | 643 | 0/643 |
| 1993 | 149 | 149/0 | 670 | 5/665 |
| 1992 | 164 | 164/0 | 664 | 0/664 |
| 1991 | 190 | 190/0 | 582 | 0/582 |
| 1990 | 211 | 202/9 | 625 | 0/625 |
| 1989 | 232 | 232/0 | 460 | 0/460 |
| 1988 | 216 | 209/7 | 440 | 0/440 |
| 1987 | 261 | 261/0 | 467 | 6/461 |
| 1986 | 290 | 284/6 | 344 | 6/338 |
| 1985 | 297 | 290/7 | 371 | 0/371 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1984 | 323 | 315/8 | 404 | 7/397 |
| 1983 | 340 | 335/5 | 434 | 0/434 |
| 1982 | 421 | 412/9 | 455 | 0/455 |
| 1981 | 469 | 462/7 | 409 | 6/403 |
| 1980 | 492 | 481/11 | 400 | 7/393 |
| 1979 | 499 | 494/5 | 408 | 0/408 |
| 1978 | 529 | 529/0 | 430 | 8/422 |
| 1977 | 575 | 575/0 | 345 | 7/338 |
| 1976 | 624 | 617/7 | 341 | 5/336 |
| 1975 | 677 | 670/7 | 355 | 0/355 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1974 | 827 | 820/7 | 347 | 0/347 |
| 1973 | 875 | 867/8 | 381 | 7/374 |
| 1972 | 978 | 978/0 | 373 | 5/368 |
| 1971 | 1,177 | 1,169/8 | 422 | 6/416 |
| 1970 | 1,391 | 1,375/16 | 366 | 0/366 |
| 1969 | 1,518 | 1,507/11 | 336 | 7/329 |
| 1968 | 1,499 | 1,491/8 | 332 | 7/325 |
| 1967 | 1,629 | 1,620/9 | 290 | 0/290 |
| 1966 | 1,830 | 1,819/11 | 342 | 5/337 |
| 1965 | 2,139 | 2,129/10 | 303 | 0/303 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1964 | 2,285 | 2,277/8 | 367 | 0/367 |
| 1963 | 2,335 | 2,323/12 | 358 | 0/358 |
| 1962 | 2,540 | 2,531/9 | 312 | 0/312 |
| 1961 | 2,571 | 2,561/10 | 348 | 0/348 |
| 1960 | 2,853 | 2,843/10 | 370 | 0/370 |
| 1959 | 3,086 | 3,079/7 | 379 | 8/371 |
| 1958 | 3,319 | 3,302/17 | 453 | 0/453 |
| 1957 | 3,720 | 3,707/13 | 452 | 0/452 |
| 1956 | 3,876 | 3,866/10 | 488 | 5/483 |
| 1955 | 3,799 | 3,782/17 | 507 | 0/507 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1954 | 4,052 | 4,043/9 | 537 | 0/537 |
| 1953 | 4,310 | 4,299/11 | 529 | 8/521 |
| 1952 | 4,236 | 4,228/8 | 566 | 11/555 |
| 1951 | 3,985 | 3,979/6 | 552 | 0/552 |
| 1950 | 3,643 | 3,630/13 | 556 | 0/556 |
| 1949 | 3,666 | 3,660/6 | 603 | 6/597 |
| 1948 | 3,676 | 3,667/9 | 642 | 11/631 |
| 1947 | 4,274 | 4,261/13 | 629 | 5/624 |
| 1946 | 4,031 | 4,016/15 | 625 | 6/619 |
| 1945 | 3,619 | 3,601/18 | 563 | 5/558 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1944 | 3,759 | 3,744/15 | 572 | 7/565 |
| 1943 | 4,191 | 4,169/22 | 683 | 15/668 |
| 1942 | 4,124 | 4,105/19 | 617 | 5/612 |
| 1941 | 3,414 | 3,396/18 | 601 | 0/601 |
| 1940 | 3,448 | 3,431/17 | 589 | 7/582 |
| 1939 | 3,425 | 3,409/16 | 604 | 6/598 |
| 1938 | 3,563 | 3,547/16 | 568 | 0/568 |
| 1937 | 3,586 | 3,568/18 | 615 | 6/609 |
| 1936 | 3,487 | 3,467/20 | 591 | 0/591 |
| 1935 | 3,201 | 3,180/21 | 656 | 9/647 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1934 | 2,386 | 2,371/15 | 741 | 9/732 |
| 1933 | 2,051 | 2,039/12 | 595 | 0/595 |
| 1932 | 2,256 | 2,243/13 | 747 | 6/741 |
| 1931 | 1,965 | 1,955/10 | 784 | 6/778 |
| 1930 | 1,961 | 1,952/9 | 859 | 9/850 |
| 1929 | 1,985 | 1,971/14 | 896 | 11/885 |
| 1928 | 1,936 | 1,923/13 | 942 | 8/934 |
| 1927 | 2,244 | 2,232/12 | 1,014 | 12/1,002 |
| 1926 | 1,889 | 1,877/12 | 1,070 | 5/1,065 |
| 1925 | 1,771 | 1,759/12 | 1,062 | 13/1,049 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1924 | 1,784 | 1,772/12 | 1,183 | 11/1,172 |
| 1923 | 1,663 | 1,658/5 | 1,231 | 10/1,221 |
| 1922 | 1,668 | 1,659/9 | 1,224 | 10/1,214 |
| 1921 | 1,742 | 1,732/10 | 1,204 | 10/1,194 |
| 1920 | 1,643 | 1,636/7 | 1,175 | 11/1,164 |
| 1919 | 1,561 | 1,552/9 | 1,220 | 11/1,209 |
| 1918 | 1,686 | 1,680/6 | 1,258 | 10/1,248 |
| 1917 | 1,433 | 1,426/7 | 1,185 | 10/1,175 |
| 1916 | 1,319 | 1,313/6 | 1,118 | 15/1,103 |
| 1915 | 1,161 | 1,156/5 | 1,140 | 9/1,131 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1914 | 926 | 921/5 | 873 | 12/861 |
| 1913 | 755 | 755/0 | 644 | 0/644 |
| 1912 | 693 | 693/0 | 653 | 7/646 |
| 1911 | 441 | 441/0 | 338 | 5/333 |
| 1910 | 433 | 433/0 | 307 | 0/307 |
| 1909 | 353 | 353/0 | 246 | 0/246 |
| 1908 | 296 | 296/0 | 207 | 0/207 |
| 1907 | 291 | 291/0 | 207 | 0/207 |
| 1906 | 233 | 233/0 | 183 | 0/183 |
| 1905 | 243 | 243/0 | 220 | 9/211 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1904 | 211 | 211/0 | 200 | 0/200 |
| 1903 | 205 | 205/0 | 210 | 0/210 |
| 1902 | 176 | 176/0 | 181 | 0/181 |
| 1901 | 165 | 165/0 | 187 | 0/187 |
| 1900 | 199 | 199/0 | 256 | 0/256 |
| 1899 | 140 | 140/0 | 161 | 0/161 |
| 1898 | 144 | 144/0 | 186 | 0/186 |
| 1897 | 130 | 130/0 | 174 | 0/174 |
| 1896 | 113 | 113/0 | 194 | 0/194 |
| 1895 | 130 | 130/0 | 216 | 0/216 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1894 | 116 | 116/0 | 222 | 0/222 |
| 1893 | 82 | 82/0 | 214 | 0/214 |
| 1892 | 86 | 86/0 | 238 | 0/238 |
| 1891 | 88 | 88/0 | 212 | 0/212 |
| 1890 | 91 | 91/0 | 218 | 0/218 |
| 1889 | 73 | 73/0 | 210 | 0/210 |
| 1888 | 74 | 74/0 | 206 | 0/206 |
| 1887 | 64 | 64/0 | 203 | 0/203 |
| 1886 | 72 | 72/0 | 230 | 0/230 |
| 1885 | 45 | 45/0 | 258 | 0/258 |
| Year | Roberta (total | F/B) | Oliver (total | F/B) |
|---|---|---|
| 1884 | 55 | 55/0 | 245 | 0/245 |
| 1883 | 48 | 48/0 | 219 | 0/219 |
| 1882 | 35 | 35/0 | 244 | 0/244 |
| 1881 | 41 | 41/0 | 238 | 0/238 |
| 1880 | 34 | 34/0 | 234 | 0/234 |