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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 2 |
| 1971 | 1 |
| 1972 | 12 |
| 1973 | 24 |
| 1974 | 35 |
| 1975 | 28 |
| 1976 | 38 |
| 1977 | 56 |
| 1978 | 52 |
| 1979 | 52 |
| 1980 | 72 |
| 1981 | 90 |
| 1982 | 78 |
| 1983 | 81 |
| 1984 | 75 |
| 1985 | 84 |
| 1986 | 71 |
| 1987 | 65 |
| 1988 | 80 |
| 1989 | 94 |
| 1990 | 70 |
| 1991 | 77 |
| 1992 | 63 |
| 1993 | 76 |
| 1994 | 65 |
| 1995 | 62 |
| 1996 | 49 |
| 1997 | 63 |
| 1998 | 71 |
| 1999 | 72 |
| 2000 | 57 |
| 2001 | 67 |
| 2002 | 69 |
| 2003 | 78 |
| 2004 | 69 |
| 2005 | 82 |
| 2006 | 89 |
| 2007 | 84 |
| 2008 | 133 |
| 2009 | 128 |
| 2010 | 109 |
| 2011 | 129 |
| 2012 | 126 |
| 2013 | 104 |
| 2014 | 103 |
| 2015 | 105 |
| 2016 | 158 |
| 2017 | 171 |
| 2018 | 161 |
| 2019 | 137 |
| 2020 | 166 |
| 2021 | 192 |
| 2022 | 162 |
| 2023 | 138 |
| 2024 | 35 |