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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1915 | 2 |
| 1916 | 1 |
| 1918 | 1 |
| 1919 | 2 |
| 1920 | 2 |
| 1921 | 4 |
| 1922 | 1 |
| 1923 | 4 |
| 1924 | 1 |
| 1928 | 1 |
| 1930 | 2 |
| 1932 | 2 |
| 1933 | 1 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1939 | 1 |
| 1942 | 1 |
| 1945 | 3 |
| 1946 | 3 |
| 1947 | 10 |
| 1948 | 9 |
| 1949 | 10 |
| 1950 | 32 |
| 1951 | 28 |
| 1952 | 8 |
| 1953 | 7 |
| 1954 | 10 |
| 1955 | 6 |
| 1956 | 6 |
| 1957 | 11 |
| 1958 | 7 |
| 1959 | 3 |
| 1960 | 12 |
| 1961 | 9 |
| 1962 | 4 |
| 1963 | 10 |
| 1964 | 7 |
| 1965 | 8 |
| 1966 | 8 |
| 1967 | 8 |
| 1968 | 13 |
| 1969 | 13 |
| 1970 | 17 |
| 1971 | 18 |
| 1972 | 12 |
| 1973 | 13 |
| 1974 | 14 |
| 1975 | 28 |
| 1976 | 33 |
| 1977 | 38 |
| 1978 | 43 |
| 1979 | 54 |
| 1980 | 64 |
| 1981 | 76 |
| 1982 | 59 |
| 1983 | 75 |
| 1984 | 98 |
| 1985 | 94 |
| 1986 | 116 |
| 1987 | 117 |
| 1988 | 147 |
| 1989 | 190 |
| 1990 | 182 |
| 1991 | 216 |
| 1992 | 207 |
| 1993 | 269 |
| 1994 | 270 |
| 1995 | 305 |
| 1996 | 321 |
| 1997 | 343 |
| 1998 | 401 |
| 1999 | 429 |
| 2000 | 449 |
| 2001 | 422 |
| 2002 | 518 |
| 2003 | 536 |
| 2004 | 561 |
| 2005 | 656 |
| 2006 | 671 |
| 2007 | 748 |
| 2008 | 846 |
| 2009 | 909 |
| 2010 | 1034 |
| 2011 | 1212 |
| 2012 | 1531 |
| 2013 | 1632 |
| 2014 | 1760 |
| 2015 | 1852 |
| 2016 | 1915 |
| 2017 | 1943 |
| 2018 | 2006 |
| 2019 | 2154 |
| 2020 | 2305 |
| 2021 | 2548 |
| 2022 | 2460 |
| 2023 | 2299 |
| 2024 | 1087 |