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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 36 |
| 1973 | 74 |
| 1974 | 46 |
| 1975 | 117 |
| 1976 | 70 |
| 1977 | 52 |
| 1978 | 74 |
| 1979 | 108 |
| 1980 | 110 |
| 1981 | 86 |
| 1982 | 68 |
| 1983 | 103 |
| 1984 | 76 |
| 1985 | 93 |
| 1986 | 157 |
| 1987 | 177 |
| 1988 | 199 |
| 1989 | 112 |
| 1990 | 105 |
| 1991 | 72 |
| 1992 | 94 |
| 1993 | 62 |
| 1994 | 76 |
| 1995 | 117 |
| 1996 | 107 |
| 1997 | 98 |
| 1998 | 124 |
| 1999 | 93 |
| 2000 | 100 |
| 2001 | 78 |
| 2002 | 80 |
| 2003 | 73 |
| 2004 | 103 |
| 2005 | 95 |
| 2006 | 107 |
| 2007 | 103 |
| 2008 | 95 |
| 2009 | 96 |
| 2010 | 130 |
| 2011 | 125 |
| 2012 | 124 |
| 2013 | 126 |
| 2014 | 136 |
| 2015 | 147 |
| 2016 | 178 |
| 2017 | 151 |
| 2018 | 136 |
| 2019 | 134 |
| 2020 | 140 |
| 2021 | 163 |
| 2022 | 156 |
| 2023 | 135 |
| 2024 | 52 |