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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 1 |
| 1977 | 1 |
| 1978 | 2 |
| 1980 | 8 |
| 1983 | 1 |
| 1984 | 37 |
| 1985 | 87 |
| 1986 | 74 |
| 1987 | 71 |
| 1988 | 75 |
| 1989 | 75 |
| 1990 | 106 |
| 1991 | 99 |
| 1992 | 84 |
| 1993 | 81 |
| 1994 | 92 |
| 1995 | 86 |
| 1996 | 71 |
| 1997 | 98 |
| 1998 | 83 |
| 1999 | 79 |
| 2000 | 107 |
| 2001 | 97 |
| 2002 | 103 |
| 2003 | 94 |
| 2004 | 118 |
| 2005 | 122 |
| 2006 | 149 |
| 2007 | 164 |
| 2008 | 163 |
| 2009 | 133 |
| 2010 | 165 |
| 2011 | 205 |
| 2012 | 176 |
| 2013 | 151 |
| 2014 | 155 |
| 2015 | 152 |
| 2016 | 143 |
| 2017 | 133 |
| 2018 | 126 |
| 2019 | 140 |
| 2020 | 119 |
| 2021 | 137 |
| 2022 | 117 |
| 2023 | 96 |
| 2024 | 61 |