| Kay (feminine) | |||
| Year | Rank | Percent Used | |
| 2024 | - | - | |
| 2023 | - | - | |
| 2022 | - | - | |
| 2021 | - | - | |
| 2020 | - | - | |
| 2019 | - | - | |
| 2018 | - | - | |
| 2017 | - | - | |
| 2016 | - | - | |
| 2015 | - | - | |
| 2014 | - | - | |
| 2013 | - | - | |
| 2012 | - | - | |
| 2011 | - | - | |
| 2010 | - | - | |
| 2009 | - | - | |
| 2008 | - | - | |
| 2007 | - | - | |
| 2006 | - | - | |
| 2005 | - | - | |
| 2004 | - | - | |
| 2003 | - | - | |
| 2002 | - | - | |
| 2001 | - | - | |
| 2000 | - | - | |
| 1999 | - | - | |
| 1998 | - | - | |
| 1997 | - | - | |
| 1996 | - | - | |
| 1995 | - | - | |
| 1994 | - | - | |
| 1993 | - | - | |
| 1992 | - | - | |
| 1991 | - | - | |
| 1990 | - | - | |
| 1989 | - | - | |
| 1988 | - | - | |
| 1987 | - | - | |
| 1986 | - | - | |
| 1985 | - | - | |
| 1984 | #979 | 0.008 | |
| 1983 | #973 | 0.008 | |
| 1982 | #981 | 0.008 | |
| 1981 | #912 | 0.009 | |
| 1980 | #966 | 0.009 | |
| 1979 | #942 | 0.009 | |
| 1978 | #913 | 0.009 | |
| 1977 | #772 | 0.012 | |
| 1976 | #756 | 0.012 | |
| 1975 | #712 | 0.013 | |
| 1974 | #639 | 0.015 | |
| 1973 | #582 | 0.017 | |
| 1972 | #619 | 0.016 | |
| 1971 | #503 | 0.022 | |
| 1970 | #455 | 0.026 | |
| 1969 | #432 | 0.028 | |
| 1968 | #353 | 0.037 | |
| 1967 | #327 | 0.041 | |
| 1966 | #295 | 0.049 | |
| 1965 | #270 | 0.056 | |
| 1964 | #243 | 0.067 | |
| 1963 | #212 | 0.081 | |
| 1962 | #197 | 0.093 | |
| 1961 | #192 | 0.094 | |
| 1960 | #192 | 0.093 | |
| 1959 | #182 | 0.096 | |
| 1958 | #169 | 0.108 | |
| 1957 | #163 | 0.112 | |
| 1956 | #154 | 0.116 | |
| 1955 | #157 | 0.116 | |
| 1954 | #146 | 0.126 | |
| 1953 | #146 | 0.128 | |
| 1952 | #133 | 0.146 | |
| 1951 | #120 | 0.160 | |
| 1950 | #123 | 0.149 | |
| 1949 | #119 | 0.157 | |
| 1948 | #113 | 0.169 | |
| 1947 | #104 | 0.194 | |
| 1946 | #101 | 0.208 | |
| 1945 | #91 | 0.227 | |
| 1944 | #88 | 0.232 | |
| 1943 | #81 | 0.243 | |
| 1942 | #75 | 0.261 | |
| 1941 | #70 | 0.284 | |
| 1940 | #77 | 0.271 | |
| 1939 | #76 | 0.287 | |
| 1938 | #81 | 0.273 | |
| 1937 | #79 | 0.273 | |
| 1936 | #98 | 0.223 | |
| 1935 | #134 | 0.152 | |
| 1934 | #143 | 0.132 | |
| 1933 | #200 | 0.083 | |
| 1932 | #238 | 0.059 | |
| 1931 | #259 | 0.051 | |
| 1930 | #358 | 0.030 | |
| 1929 | #447 | 0.019 | |
| 1928 | #462 | 0.019 | |
| 1927 | #419 | 0.022 | |
| 1926 | #457 | 0.018 | |
| 1925 | #439 | 0.020 | |
| 1924 | #395 | 0.023 | |
| 1923 | #396 | 0.023 | |
| 1922 | #390 | 0.023 | |
| 1921 | #383 | 0.024 | |
| 1920 | #370 | 0.025 | |
| 1919 | #354 | 0.028 | |
| 1918 | #368 | 0.026 | |
| 1917 | #376 | 0.025 | |
| 1916 | #380 | 0.025 | |
| 1915 | #386 | 0.024 | |
| 1914 | #361 | 0.027 | |
| 1913 | #381 | 0.024 | |
| 1912 | #384 | 0.024 | |
| 1911 | #382 | 0.025 | |
| 1910 | #381 | 0.025 | |
| 1909 | #401 | 0.023 | |
| 1908 | #417 | 0.021 | |
| 1907 | #489 | 0.016 | |
| 1906 | #541 | 0.013 | |
| 1905 | #485 | 0.016 | |
| 1904 | #529 | 0.013 | |
| 1903 | #527 | 0.013 | |
| 1902 | #648 | 0.009 | |
| 1901 | #684 | 0.009 | |
| 1900 | #705 | 0.008 | |
| 1899 | #644 | 0.009 | |
| 1898 | #920 | 0.005 | |
| 1897 | #826 | 0.006 | |
| 1896 | #903 | 0.005 | |
| 1895 | - | - | |
| 1894 | #812 | 0.006 | |
| 1893 | #739 | 0.007 | |
| 1892 | - | - | |
| 1891 | - | - | |
| 1890 | - | - | |
| 1889 | - | - | |
| 1888 | - | - | |
| 1887 | - | - | |
| 1886 | - | - | |
| 1885 | #921 | 0.004 | |
| 1884 | - | - | |
| 1883 | - | - | |
| 1882 | - | - | |
| 1881 | - | - | |
| 1880 | - | - | |