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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1920 | 1 |
| 1921 | 1 |
| 1922 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1927 | 1 |
| 1938 | 1 |
| 1940 | 1 |
| 1941 | 2 |
| 1945 | 3 |
| 1946 | 5 |
| 1947 | 1 |
| 1949 | 4 |
| 1950 | 3 |
| 1951 | 2 |
| 1952 | 7 |
| 1953 | 12 |
| 1954 | 5 |
| 1955 | 6 |
| 1956 | 10 |
| 1957 | 9 |
| 1958 | 10 |
| 1959 | 14 |
| 1960 | 12 |
| 1961 | 13 |
| 1962 | 15 |
| 1963 | 19 |
| 1964 | 18 |
| 1965 | 32 |
| 1966 | 38 |
| 1967 | 28 |
| 1968 | 37 |
| 1969 | 24 |
| 1970 | 30 |
| 1971 | 40 |
| 1972 | 51 |
| 1973 | 49 |
| 1974 | 55 |
| 1975 | 48 |
| 1976 | 53 |
| 1977 | 63 |
| 1978 | 60 |
| 1979 | 58 |
| 1980 | 95 |
| 1981 | 78 |
| 1982 | 72 |
| 1983 | 74 |
| 1984 | 78 |
| 1985 | 102 |
| 1986 | 82 |
| 1987 | 115 |
| 1988 | 120 |
| 1989 | 154 |
| 1990 | 121 |
| 1991 | 116 |
| 1992 | 97 |
| 1993 | 88 |
| 1994 | 99 |
| 1995 | 119 |
| 1996 | 152 |
| 1997 | 137 |
| 1998 | 173 |
| 1999 | 127 |
| 2000 | 136 |
| 2001 | 149 |
| 2002 | 156 |
| 2003 | 174 |
| 2004 | 189 |
| 2005 | 219 |
| 2006 | 235 |
| 2007 | 299 |
| 2008 | 365 |
| 2009 | 393 |
| 2010 | 384 |
| 2011 | 423 |
| 2012 | 454 |
| 2013 | 503 |
| 2014 | 482 |
| 2015 | 529 |
| 2016 | 573 |
| 2017 | 556 |
| 2018 | 534 |
| 2019 | 559 |
| 2020 | 738 |
| 2021 | 822 |
| 2022 | 690 |
| 2023 | 519 |