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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 31 |
| 1974 | 19 |
| 1975 | 76 |
| 1976 | 48 |
| 1977 | 59 |
| 1978 | 110 |
| 1980 | 36 |
| 1981 | 50 |
| 1982 | 57 |
| 1986 | 27 |
| 1987 | 29 |
| 1989 | 80 |
| 1990 | 55 |
| 1991 | 86 |
| 1993 | 52 |
| 1994 | 157 |
| 1995 | 201 |
| 1996 | 17 |
| 1997 | 21 |
| 1998 | 74 |
| 1999 | 85 |
| 2000 | 32 |
| 2001 | 125 |
| 2002 | 55 |
| 2003 | 42 |
| 2004 | 158 |
| 2007 | 151 |
| 2008 | 159 |
| 2009 | 69 |
| 2010 | 129 |
| 2011 | 112 |
| 2012 | 83 |
| 2013 | 135 |
| 2014 | 120 |
| 2015 | 169 |
| 2016 | 166 |
| 2017 | 130 |
| 2018 | 138 |
| 2019 | 139 |
| 2020 | 146 |
| 2021 | 109 |
| 2022 | 141 |
| 2023 | 151 |
| 2024 | 98 |