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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 4 |
| 1962 | 1 |
| 1977 | 1 |
| 1978 | 4 |
| 1979 | 10 |
| 1980 | 12 |
| 1981 | 20 |
| 1982 | 19 |
| 1983 | 20 |
| 1984 | 40 |
| 1985 | 20 |
| 1986 | 28 |
| 1987 | 38 |
| 1988 | 40 |
| 1989 | 53 |
| 1990 | 61 |
| 1991 | 47 |
| 1992 | 51 |
| 1993 | 48 |
| 1994 | 47 |
| 1995 | 63 |
| 1996 | 46 |
| 1997 | 64 |
| 1998 | 50 |
| 1999 | 63 |
| 2000 | 51 |
| 2001 | 51 |
| 2002 | 59 |
| 2003 | 67 |
| 2004 | 52 |
| 2005 | 52 |
| 2006 | 56 |
| 2007 | 76 |
| 2008 | 75 |
| 2009 | 77 |
| 2010 | 93 |
| 2011 | 103 |
| 2012 | 133 |
| 2013 | 124 |
| 2014 | 126 |
| 2015 | 107 |
| 2016 | 118 |
| 2017 | 92 |
| 2018 | 92 |
| 2019 | 104 |
| 2020 | 132 |
| 2021 | 128 |
| 2022 | 153 |
| 2023 | 164 |
| 2024 | 150 |
| 2025 | 102 |