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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 4 |
| 1967 | 4 |
| 1968 | 4 |
| 1969 | 1 |
| 1971 | 3 |
| 1972 | 2 |
| 1973 | 5 |
| 1974 | 4 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 5 |
| 1978 | 21 |
| 1979 | 61 |
| 1980 | 66 |
| 1981 | 72 |
| 1982 | 70 |
| 1983 | 70 |
| 1984 | 108 |
| 1985 | 94 |
| 1986 | 112 |
| 1987 | 114 |
| 1988 | 118 |
| 1989 | 119 |
| 1990 | 159 |
| 1991 | 136 |
| 1992 | 136 |
| 1993 | 145 |
| 1994 | 149 |
| 1995 | 114 |
| 1996 | 136 |
| 1997 | 133 |
| 1998 | 151 |
| 1999 | 274 |
| 2000 | 480 |
| 2001 | 564 |
| 2002 | 626 |
| 2003 | 751 |
| 2004 | 801 |
| 2005 | 838 |
| 2006 | 961 |
| 2007 | 991 |
| 2008 | 1059 |
| 2009 | 1220 |
| 2010 | 1280 |
| 2011 | 1571 |
| 2012 | 1734 |
| 2013 | 1807 |
| 2014 | 1813 |
| 2015 | 1764 |
| 2016 | 1855 |
| 2017 | 1974 |
| 2018 | 1864 |
| 2019 | 1912 |
| 2020 | 2098 |
| 2021 | 2258 |
| 2022 | 3154 |
| 2023 | 3055 |
| 2024 | 1052 |