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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 5 |
| 1972 | 17 |
| 1973 | 25 |
| 1974 | 30 |
| 1975 | 71 |
| 1976 | 86 |
| 1977 | 89 |
| 1978 | 84 |
| 1979 | 79 |
| 1980 | 78 |
| 1981 | 64 |
| 1982 | 82 |
| 1983 | 94 |
| 1984 | 93 |
| 1985 | 80 |
| 1986 | 84 |
| 1987 | 73 |
| 1988 | 105 |
| 1989 | 125 |
| 1990 | 127 |
| 1991 | 88 |
| 1992 | 98 |
| 1993 | 106 |
| 1994 | 132 |
| 1995 | 125 |
| 1996 | 87 |
| 1997 | 84 |
| 1998 | 65 |
| 1999 | 80 |
| 2000 | 94 |
| 2001 | 73 |
| 2002 | 83 |
| 2003 | 89 |
| 2004 | 81 |
| 2005 | 117 |
| 2006 | 100 |
| 2007 | 96 |
| 2008 | 110 |
| 2009 | 118 |
| 2010 | 111 |
| 2011 | 111 |
| 2012 | 121 |
| 2013 | 118 |
| 2014 | 158 |
| 2015 | 117 |
| 2016 | 107 |
| 2017 | 122 |
| 2018 | 146 |
| 2019 | 95 |
| 2020 | 115 |
| 2021 | 104 |
| 2022 | 88 |
| 2023 | 70 |
| 2024 | 27 |