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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1920 | 2 |
| 1923 | 1 |
| 1940 | 1 |
| 1945 | 1 |
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 6 |
| 1950 | 6 |
| 1951 | 5 |
| 1953 | 7 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 8 |
| 1958 | 5 |
| 1959 | 13 |
| 1960 | 12 |
| 1961 | 17 |
| 1962 | 29 |
| 1963 | 42 |
| 1964 | 34 |
| 1965 | 21 |
| 1966 | 31 |
| 1967 | 15 |
| 1968 | 21 |
| 1969 | 23 |
| 1970 | 38 |
| 1971 | 20 |
| 1972 | 33 |
| 1973 | 44 |
| 1974 | 53 |
| 1975 | 43 |
| 1976 | 57 |
| 1977 | 52 |
| 1978 | 55 |
| 1979 | 64 |
| 1980 | 91 |
| 1981 | 76 |
| 1982 | 85 |
| 1983 | 91 |
| 1984 | 97 |
| 1985 | 109 |
| 1986 | 143 |
| 1987 | 168 |
| 1988 | 198 |
| 1989 | 212 |
| 1990 | 223 |
| 1991 | 267 |
| 1992 | 313 |
| 1993 | 316 |
| 1994 | 378 |
| 1995 | 411 |
| 1996 | 537 |
| 1997 | 478 |
| 1998 | 504 |
| 1999 | 585 |
| 2000 | 619 |
| 2001 | 722 |
| 2002 | 768 |
| 2003 | 929 |
| 2004 | 1176 |
| 2005 | 1495 |
| 2006 | 1584 |
| 2007 | 1882 |
| 2008 | 2115 |
| 2009 | 2310 |
| 2010 | 2749 |
| 2011 | 3130 |
| 2012 | 3495 |
| 2013 | 3869 |
| 2014 | 4113 |
| 2015 | 4365 |
| 2016 | 4347 |
| 2017 | 4560 |
| 2018 | 5136 |
| 2019 | 5732 |
| 2020 | 6744 |
| 2021 | 7659 |
| 2022 | 8586 |
| 2023 | 3718 |