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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1962 | 2 |
| 1967 | 2 |
| 1969 | 1 |
| 1975 | 1 |
| 1977 | 2 |
| 1978 | 10 |
| 1979 | 19 |
| 1980 | 16 |
| 1981 | 11 |
| 1982 | 15 |
| 1983 | 22 |
| 1984 | 21 |
| 1985 | 14 |
| 1986 | 18 |
| 1987 | 24 |
| 1988 | 14 |
| 1989 | 34 |
| 1990 | 42 |
| 1991 | 57 |
| 1992 | 42 |
| 1993 | 43 |
| 1994 | 47 |
| 1995 | 41 |
| 1996 | 49 |
| 1997 | 45 |
| 1998 | 57 |
| 1999 | 49 |
| 2000 | 77 |
| 2001 | 66 |
| 2002 | 84 |
| 2003 | 101 |
| 2004 | 95 |
| 2005 | 81 |
| 2006 | 94 |
| 2007 | 86 |
| 2008 | 90 |
| 2009 | 74 |
| 2010 | 89 |
| 2011 | 94 |
| 2012 | 100 |
| 2013 | 85 |
| 2014 | 110 |
| 2015 | 124 |
| 2016 | 94 |
| 2017 | 118 |
| 2018 | 120 |
| 2019 | 126 |
| 2020 | 102 |
| 2021 | 46 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 88 |
| 2025 | 67 |