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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 1 |
| 1976 | 8 |
| 1977 | 3 |
| 1978 | 75 |
| 1979 | 65 |
| 1980 | 111 |
| 1981 | 134 |
| 1982 | 103 |
| 1983 | 138 |
| 1984 | 116 |
| 1985 | 121 |
| 1986 | 127 |
| 1987 | 103 |
| 1988 | 113 |
| 1989 | 132 |
| 1990 | 129 |
| 1991 | 125 |
| 1992 | 130 |
| 1993 | 133 |
| 1994 | 115 |
| 1995 | 137 |
| 1996 | 135 |
| 1997 | 137 |
| 1998 | 116 |
| 1999 | 100 |
| 2000 | 109 |
| 2001 | 87 |
| 2002 | 72 |
| 2003 | 58 |
| 2004 | 86 |
| 2005 | 118 |
| 2006 | 129 |
| 2007 | 79 |
| 2008 | 91 |
| 2009 | 92 |
| 2010 | 163 |
| 2011 | 171 |
| 2012 | 117 |
| 2013 | 51 |
| 2014 | 61 |
| 2015 | 70 |
| 2016 | 61 |
| 2017 | 78 |
| 2018 | 58 |
| 2019 | 22 |
| 2020 | 41 |
| 2021 | 30 |
| 2022 | 82 |
| 2023 | 94 |
| 2024 | 40 |