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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1961 | 1 |
| 1963 | 2 |
| 1965 | 8 |
| 1966 | 5 |
| 1967 | 6 |
| 1968 | 10 |
| 1969 | 10 |
| 1970 | 9 |
| 1971 | 5 |
| 1972 | 16 |
| 1973 | 11 |
| 1974 | 9 |
| 1975 | 11 |
| 1976 | 13 |
| 1977 | 20 |
| 1978 | 13 |
| 1979 | 8 |
| 1980 | 23 |
| 1981 | 20 |
| 1982 | 27 |
| 1983 | 21 |
| 1984 | 43 |
| 1985 | 68 |
| 1986 | 66 |
| 1987 | 236 |
| 1988 | 377 |
| 1989 | 502 |
| 1990 | 507 |
| 1991 | 523 |
| 1992 | 625 |
| 1993 | 563 |
| 1994 | 691 |
| 1995 | 652 |
| 1996 | 720 |
| 1997 | 680 |
| 1998 | 794 |
| 1999 | 801 |
| 2000 | 897 |
| 2001 | 1011 |
| 2002 | 951 |
| 2003 | 936 |
| 2004 | 993 |
| 2005 | 1086 |
| 2006 | 1105 |
| 2007 | 1185 |
| 2008 | 1257 |
| 2009 | 1311 |
| 2010 | 1345 |
| 2011 | 1535 |
| 2012 | 1705 |
| 2013 | 1808 |
| 2014 | 2555 |
| 2015 | 3166 |
| 2016 | 3630 |
| 2017 | 3845 |
| 2018 | 3951 |
| 2019 | 4118 |
| 2020 | 4845 |
| 2021 | 5408 |
| 2022 | 5022 |
| 2023 | 4776 |
| 2024 | 1897 |