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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 5 |
| 1952 | 13 |
| 1953 | 29 |
| 1954 | 28 |
| 1955 | 60 |
| 1956 | 75 |
| 1957 | 70 |
| 1958 | 73 |
| 1959 | 28 |
| 1960 | 3 |
| 1961 | 2 |
| 1962 | 3 |
| 1963 | 1 |
| 1964 | 6 |
| 1965 | 70 |
| 1966 | 134 |
| 1967 | 131 |
| 1968 | 168 |
| 1969 | 154 |
| 1970 | 170 |
| 1971 | 175 |
| 1972 | 172 |
| 1973 | 169 |
| 1974 | 206 |
| 1975 | 123 |
| 1976 | 118 |
| 1977 | 109 |
| 1978 | 104 |
| 1979 | 118 |
| 1980 | 95 |
| 1981 | 77 |
| 1982 | 99 |
| 1983 | 142 |
| 1984 | 120 |
| 1985 | 115 |
| 1986 | 102 |
| 1987 | 90 |
| 1988 | 113 |
| 1989 | 102 |
| 1990 | 113 |
| 1991 | 136 |
| 1992 | 123 |
| 1993 | 139 |
| 1994 | 139 |
| 1995 | 232 |
| 1996 | 325 |
| 1997 | 329 |
| 1998 | 317 |
| 1999 | 384 |
| 2000 | 332 |
| 2001 | 311 |
| 2002 | 376 |
| 2003 | 391 |
| 2004 | 476 |
| 2005 | 514 |
| 2006 | 573 |
| 2007 | 553 |
| 2008 | 629 |
| 2009 | 679 |
| 2010 | 695 |
| 2011 | 762 |
| 2012 | 807 |
| 2013 | 834 |
| 2014 | 895 |
| 2015 | 773 |
| 2016 | 822 |
| 2017 | 872 |
| 2018 | 807 |
| 2019 | 822 |
| 2020 | 751 |
| 2021 | 547 |
| 2022 | 462 |
| 2023 | 387 |
| 2024 | 225 |