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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1917 | 1 |
| 1919 | 1 |
| 1921 | 1 |
| 1922 | 4 |
| 1923 | 2 |
| 1924 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1928 | 1 |
| 1929 | 2 |
| 1930 | 5 |
| 1933 | 3 |
| 1934 | 2 |
| 1935 | 1 |
| 1936 | 2 |
| 1941 | 2 |
| 1945 | 53 |
| 1946 | 53 |
| 1947 | 81 |
| 1948 | 64 |
| 1949 | 66 |
| 1950 | 74 |
| 1951 | 84 |
| 1952 | 82 |
| 1953 | 81 |
| 1954 | 67 |
| 1955 | 74 |
| 1956 | 78 |
| 1957 | 58 |
| 1958 | 51 |
| 1959 | 55 |
| 1960 | 64 |
| 1961 | 72 |
| 1962 | 63 |
| 1963 | 80 |
| 1964 | 95 |
| 1965 | 76 |
| 1966 | 63 |
| 1967 | 77 |
| 1968 | 83 |
| 1969 | 83 |
| 1970 | 73 |
| 1971 | 78 |
| 1972 | 76 |
| 1973 | 72 |
| 1974 | 83 |
| 1975 | 80 |
| 1976 | 83 |
| 1977 | 88 |
| 1978 | 112 |
| 1979 | 121 |
| 1980 | 137 |
| 1981 | 135 |
| 1982 | 159 |
| 1983 | 206 |
| 1984 | 205 |
| 1985 | 234 |
| 1986 | 252 |
| 1987 | 273 |
| 1988 | 249 |
| 1989 | 245 |
| 1990 | 283 |
| 1991 | 288 |
| 1992 | 303 |
| 1993 | 353 |
| 1994 | 344 |
| 1995 | 368 |
| 1996 | 360 |
| 1997 | 298 |
| 1998 | 382 |
| 1999 | 388 |
| 2000 | 336 |
| 2001 | 407 |
| 2002 | 443 |
| 2003 | 476 |
| 2004 | 451 |
| 2005 | 512 |
| 2006 | 648 |
| 2007 | 622 |
| 2008 | 659 |
| 2009 | 727 |
| 2010 | 744 |
| 2011 | 772 |
| 2012 | 825 |
| 2013 | 846 |
| 2014 | 1034 |
| 2015 | 892 |
| 2016 | 942 |
| 2017 | 969 |
| 2018 | 992 |
| 2019 | 1006 |
| 2020 | 1142 |
| 2021 | 1159 |
| 2022 | 968 |
| 2023 | 854 |
| 2024 | 302 |