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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1959 | 4 |
| 1960 | 10 |
| 1961 | 9 |
| 1962 | 2 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 3 |
| 1970 | 9 |
| 1971 | 6 |
| 1972 | 4 |
| 1973 | 5 |
| 1974 | 7 |
| 1975 | 7 |
| 1976 | 8 |
| 1977 | 9 |
| 1978 | 10 |
| 1979 | 9 |
| 1980 | 10 |
| 1981 | 7 |
| 1982 | 8 |
| 1983 | 15 |
| 1984 | 23 |
| 1985 | 33 |
| 1986 | 48 |
| 1987 | 37 |
| 1988 | 49 |
| 1989 | 53 |
| 1990 | 148 |
| 1991 | 281 |
| 1992 | 329 |
| 1993 | 401 |
| 1994 | 442 |
| 1995 | 446 |
| 1996 | 446 |
| 1997 | 372 |
| 1998 | 413 |
| 1999 | 444 |
| 2000 | 527 |
| 2001 | 477 |
| 2002 | 477 |
| 2003 | 613 |
| 2004 | 686 |
| 2005 | 731 |
| 2006 | 723 |
| 2007 | 711 |
| 2008 | 707 |
| 2009 | 712 |
| 2010 | 800 |
| 2011 | 886 |
| 2012 | 843 |
| 2013 | 922 |
| 2014 | 1083 |
| 2015 | 1082 |
| 2016 | 972 |
| 2017 | 948 |
| 2018 | 914 |
| 2019 | 945 |
| 2020 | 921 |
| 2021 | 602 |
| 2022 | 287 |
| 2023 | 238 |
| 2024 | 480 |
| 2025 | 1 |