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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1937 | 1 |
| 1939 | 1 |
| 1940 | 4 |
| 1941 | 4 |
| 1942 | 1 |
| 1943 | 4 |
| 1945 | 4 |
| 1946 | 7 |
| 1947 | 13 |
| 1948 | 26 |
| 1949 | 32 |
| 1950 | 30 |
| 1951 | 26 |
| 1952 | 25 |
| 1953 | 33 |
| 1954 | 35 |
| 1955 | 23 |
| 1956 | 38 |
| 1957 | 44 |
| 1958 | 62 |
| 1959 | 109 |
| 1960 | 88 |
| 1961 | 58 |
| 1962 | 131 |
| 1963 | 159 |
| 1964 | 143 |
| 1965 | 133 |
| 1966 | 99 |
| 1967 | 95 |
| 1968 | 108 |
| 1969 | 107 |
| 1970 | 120 |
| 1971 | 145 |
| 1972 | 181 |
| 1973 | 174 |
| 1974 | 238 |
| 1975 | 207 |
| 1976 | 255 |
| 1977 | 243 |
| 1978 | 276 |
| 1979 | 389 |
| 1980 | 510 |
| 1981 | 585 |
| 1982 | 635 |
| 1983 | 785 |
| 1984 | 872 |
| 1985 | 1167 |
| 1986 | 1260 |
| 1987 | 1413 |
| 1988 | 1623 |
| 1989 | 1778 |
| 1990 | 1929 |
| 1991 | 2360 |
| 1992 | 2724 |
| 1993 | 3192 |
| 1994 | 3756 |
| 1995 | 4062 |
| 1996 | 4612 |
| 1997 | 5048 |
| 1998 | 5457 |
| 1999 | 6174 |
| 2000 | 7176 |
| 2001 | 8220 |
| 2002 | 9741 |
| 2003 | 11609 |
| 2004 | 14240 |
| 2005 | 17910 |
| 2006 | 21193 |
| 2007 | 23726 |
| 2008 | 28601 |
| 2009 | 32589 |
| 2010 | 38264 |
| 2011 | 44562 |
| 2012 | 51609 |
| 2013 | 60474 |
| 2014 | 69366 |
| 2015 | 78015 |
| 2016 | 82174 |
| 2017 | 89984 |
| 2018 | 103202 |
| 2019 | 118810 |
| 2020 | 139583 |
| 2021 | 159082 |
| 2022 | 186262 |
| 2023 | 183363 |
| 2024 | 69051 |