← All namesIsaac
Raw counts
| Year | Count |
|---|
| 1910 | 293 |
| 1911 | 270 |
| 1912 | 377 |
| 1913 | 403 |
| 1914 | 543 |
| 1915 | 632 |
| 1916 | 769 |
| 1917 | 802 |
| 1918 | 845 |
| 1919 | 954 |
| 1920 | 936 |
| 1921 | 817 |
| 1922 | 899 |
| 1923 | 882 |
| 1924 | 909 |
| 1925 | 821 |
| 1926 | 802 |
| 1927 | 891 |
| 1928 | 696 |
| 1929 | 736 |
| 1930 | 819 |
| 1931 | 549 |
| 1932 | 599 |
| 1933 | 551 |
| 1934 | 573 |
| 1935 | 566 |
| 1936 | 510 |
| 1937 | 525 |
| 1938 | 498 |
| 1939 | 567 |
| 1940 | 610 |
| 1941 | 535 |
| 1942 | 552 |
| 1943 | 601 |
| 1944 | 568 |
| 1945 | 533 |
| 1946 | 564 |
| 1947 | 739 |
| 1948 | 651 |
| 1949 | 740 |
| 1950 | 692 |
| 1951 | 660 |
| 1952 | 659 |
| 1953 | 727 |
| 1954 | 647 |
| 1955 | 734 |
| 1956 | 671 |
| 1957 | 601 |
| 1958 | 657 |
| 1959 | 616 |
| 1960 | 549 |
| 1961 | 498 |
| 1962 | 573 |
| 1963 | 557 |
| 1964 | 541 |
| 1965 | 500 |
| 1966 | 474 |
| 1967 | 395 |
| 1968 | 429 |
| 1969 | 522 |
| 1970 | 523 |
| 1971 | 690 |
| 1972 | 756 |
| 1973 | 890 |
| 1974 | 945 |
| 1975 | 1,015 |
| 1976 | 1,157 |
| 1977 | 1,415 |
| 1978 | 1,523 |
| 1979 | 1,825 |
| 1980 | 1,938 |
| 1981 | 1,894 |
| 1982 | 1,852 |
| 1983 | 1,876 |
| 1984 | 1,613 |
| 1985 | 1,546 |
| 1986 | 1,807 |
| 1987 | 1,808 |
| 1988 | 1,938 |
| 1989 | 2,169 |
| 1990 | 2,342 |
| 1991 | 2,455 |
| 1992 | 2,854 |
| 1993 | 3,296 |
| 1994 | 3,734 |
| 1995 | 3,940 |
| 1996 | 4,690 |
| 1997 | 5,096 |
| 1998 | 5,855 |
| 1999 | 6,589 |
| 2000 | 7,507 |
| 2001 | 8,288 |
| 2002 | 8,038 |
| 2003 | 8,807 |
| 2004 | 19 |
| 2004 | 9,086 |
| 2005 | 10 |
| 2005 | 9,538 |
| 2006 | 10,250 |
| 2007 | 10,054 |
| 2008 | 9,970 |
| 2009 | 9,865 |
| 2010 | 9,354 |
| 2011 | 9,686 |
| 2012 | 11,280 |
| 2013 | 11,526 |
| 2014 | 10,514 |
| 2015 | 12,110 |
| 2016 | 12,183 |
| 2017 | 11,565 |
| 2018 | 10,173 |
| 2019 | 9,708 |
| 2020 | 6,710 |
| 2021 | 7,613 |
| 2022 | 7,283 |
| 2023 | 6,790 |
| 2024 | 6,734 |