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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 4 |
| 1978 | 19 |
| 1979 | 18 |
| 1980 | 39 |
| 1981 | 50 |
| 1982 | 60 |
| 1983 | 57 |
| 1984 | 80 |
| 1985 | 89 |
| 1986 | 86 |
| 1987 | 81 |
| 1988 | 113 |
| 1989 | 123 |
| 1990 | 138 |
| 1991 | 136 |
| 1992 | 141 |
| 1993 | 132 |
| 1994 | 133 |
| 1995 | 143 |
| 1996 | 110 |
| 1997 | 142 |
| 1998 | 140 |
| 1999 | 136 |
| 2000 | 105 |
| 2001 | 110 |
| 2002 | 101 |
| 2003 | 111 |
| 2004 | 107 |
| 2005 | 99 |
| 2006 | 110 |
| 2007 | 100 |
| 2008 | 94 |
| 2009 | 105 |
| 2010 | 113 |
| 2011 | 114 |
| 2012 | 114 |
| 2013 | 109 |
| 2014 | 109 |
| 2015 | 115 |
| 2016 | 114 |
| 2017 | 107 |
| 2018 | 77 |
| 2019 | 84 |
| 2020 | 79 |
| 2021 | 54 |
| 2022 | 72 |
| 2023 | 61 |
| 2024 | 10 |