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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1970 | 3 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 11 |
| 1975 | 9 |
| 1976 | 8 |
| 1977 | 15 |
| 1978 | 17 |
| 1979 | 25 |
| 1980 | 16 |
| 1981 | 5 |
| 1982 | 11 |
| 1983 | 12 |
| 1984 | 21 |
| 1985 | 26 |
| 1986 | 11 |
| 1987 | 14 |
| 1988 | 30 |
| 1989 | 29 |
| 1990 | 65 |
| 1991 | 65 |
| 1992 | 90 |
| 1993 | 119 |
| 1994 | 212 |
| 1995 | 165 |
| 1996 | 190 |
| 1997 | 222 |
| 1998 | 235 |
| 1999 | 282 |
| 2000 | 437 |
| 2001 | 550 |
| 2002 | 600 |
| 2003 | 678 |
| 2004 | 910 |
| 2005 | 1029 |
| 2006 | 1304 |
| 2007 | 1312 |
| 2008 | 1448 |
| 2009 | 1587 |
| 2010 | 1587 |
| 2011 | 1724 |
| 2012 | 1946 |
| 2013 | 2054 |
| 2014 | 2023 |
| 2015 | 1952 |
| 2016 | 1756 |
| 2017 | 1588 |
| 2018 | 1783 |
| 2019 | 1965 |
| 2020 | 1593 |
| 2021 | 1218 |
| 2022 | 241 |
| 2023 | 139 |
| 2024 | 1071 |
| 2025 | 2 |