← All namesIrma
Raw counts
| Year | Count |
|---|
| 1910 | 655 |
| 1911 | 791 |
| 1912 | 931 |
| 1913 | 1,061 |
| 1914 | 1,266 |
| 1915 | 1,658 |
| 1916 | 1,782 |
| 1917 | 1,703 |
| 1918 | 1,710 |
| 1919 | 1,720 |
| 1920 | 1,754 |
| 1921 | 1,736 |
| 1922 | 1,327 |
| 1923 | 1,403 |
| 1924 | 1,685 |
| 1925 | 1,741 |
| 1926 | 1,874 |
| 1927 | 1,783 |
| 1928 | 1,568 |
| 1929 | 1,599 |
| 1930 | 1,697 |
| 1931 | 1,301 |
| 1932 | 1,363 |
| 1933 | 1,109 |
| 1934 | 1,001 |
| 1935 | 1,252 |
| 1936 | 885 |
| 1937 | 976 |
| 1938 | 857 |
| 1939 | 857 |
| 1940 | 858 |
| 1941 | 782 |
| 1942 | 636 |
| 1943 | 1,142 |
| 1944 | 512 |
| 1945 | 474 |
| 1946 | 528 |
| 1947 | 623 |
| 1948 | 549 |
| 1949 | 539 |
| 1950 | 526 |
| 1951 | 992 |
| 1952 | 859 |
| 1953 | 929 |
| 1954 | 916 |
| 1955 | 943 |
| 1956 | 873 |
| 1957 | 1,038 |
| 1957 | 10 |
| 1958 | 856 |
| 1959 | 914 |
| 1959 | 12 |
| 1960 | 885 |
| 1961 | 745 |
| 1962 | 1,279 |
| 1963 | 342 |
| 1964 | 291 |
| 1965 | 286 |
| 1966 | 291 |
| 1967 | 206 |
| 1968 | 394 |
| 1969 | 458 |
| 1970 | 369 |
| 1971 | 370 |
| 1972 | 300 |
| 1973 | 336 |
| 1974 | 254 |
| 1975 | 307 |
| 1976 | 235 |
| 1977 | 217 |
| 1978 | 219 |
| 1979 | 221 |
| 1980 | 196 |
| 1981 | 191 |
| 1982 | 169 |
| 1983 | 128 |
| 1984 | 145 |
| 1985 | 103 |
| 1986 | 172 |
| 1987 | 176 |
| 1988 | 214 |
| 1989 | 184 |
| 1990 | 65 |
| 1991 | 107 |
| 1992 | 65 |
| 1993 | 65 |
| 1994 | 56 |
| 1995 | 43 |
| 1996 | 93 |
| 1997 | 89 |
| 1998 | 97 |
| 1999 | 74 |
| 2000 | 47 |
| 2001 | 82 |
| 2002 | 43 |
| 2003 | 53 |
| 2004 | 137 |
| 2005 | 63 |
| 2006 | 64 |
| 2007 | 49 |
| 2008 | 101 |
| 2009 | 17 |
| 2010 | 10 |
| 2011 | 20 |
| 2014 | 15 |
| 2015 | 28 |
| 2016 | 23 |
| 2017 | 25 |
| 2018 | 16 |
| 2019 | 13 |
| 2020 | 12 |
| 2021 | 17 |
| 2022 | 18 |
| 2023 | 24 |
| 2024 | 14 |