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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1976 | 5 |
| 1977 | 9 |
| 1978 | 33 |
| 1979 | 59 |
| 1980 | 80 |
| 1981 | 57 |
| 1982 | 37 |
| 1983 | 39 |
| 1984 | 30 |
| 1985 | 36 |
| 1986 | 27 |
| 1987 | 35 |
| 1988 | 48 |
| 1989 | 54 |
| 1990 | 84 |
| 1991 | 82 |
| 1992 | 85 |
| 1993 | 87 |
| 1994 | 96 |
| 1995 | 104 |
| 1996 | 103 |
| 1997 | 112 |
| 1998 | 108 |
| 1999 | 116 |
| 2000 | 78 |
| 2001 | 96 |
| 2002 | 146 |
| 2003 | 153 |
| 2004 | 114 |
| 2005 | 139 |
| 2006 | 138 |
| 2007 | 172 |
| 2008 | 136 |
| 2009 | 130 |
| 2010 | 156 |
| 2011 | 163 |
| 2012 | 138 |
| 2013 | 153 |
| 2014 | 128 |
| 2015 | 120 |
| 2016 | 93 |
| 2017 | 115 |
| 2018 | 104 |
| 2019 | 85 |
| 2020 | 74 |
| 2021 | 30 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 29 |
| 2025 | 50 |