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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 17 |
| 1969 | 12 |
| 1970 | 14 |
| 1971 | 13 |
| 1972 | 14 |
| 1973 | 14 |
| 1974 | 16 |
| 1975 | 14 |
| 1976 | 15 |
| 1977 | 25 |
| 1978 | 14 |
| 1979 | 21 |
| 1980 | 17 |
| 1981 | 25 |
| 1982 | 22 |
| 1983 | 22 |
| 1984 | 32 |
| 1985 | 44 |
| 1986 | 34 |
| 1987 | 61 |
| 1988 | 61 |
| 1989 | 66 |
| 1990 | 80 |
| 1991 | 70 |
| 1992 | 85 |
| 1993 | 98 |
| 1994 | 104 |
| 1995 | 99 |
| 1996 | 112 |
| 1997 | 105 |
| 1998 | 123 |
| 1999 | 94 |
| 2000 | 102 |
| 2001 | 99 |
| 2002 | 75 |
| 2003 | 74 |
| 2004 | 93 |
| 2005 | 88 |
| 2006 | 88 |
| 2007 | 87 |
| 2008 | 109 |
| 2009 | 94 |
| 2010 | 125 |
| 2011 | 111 |
| 2012 | 106 |
| 2013 | 121 |
| 2014 | 133 |
| 2015 | 120 |
| 2016 | 130 |
| 2017 | 104 |
| 2018 | 132 |
| 2019 | 137 |
| 2020 | 151 |
| 2021 | 179 |
| 2022 | 228 |
| 2023 | 214 |
| 2024 | 70 |