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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 19 |
| 1966 | 26 |
| 1967 | 33 |
| 1968 | 31 |
| 1969 | 38 |
| 1970 | 44 |
| 1971 | 40 |
| 1972 | 26 |
| 1973 | 37 |
| 1974 | 33 |
| 1975 | 30 |
| 1976 | 26 |
| 1977 | 36 |
| 1978 | 28 |
| 1979 | 25 |
| 1980 | 32 |
| 1981 | 31 |
| 1982 | 25 |
| 1983 | 32 |
| 1984 | 30 |
| 1985 | 33 |
| 1986 | 29 |
| 1987 | 40 |
| 1988 | 29 |
| 1989 | 28 |
| 1990 | 31 |
| 1991 | 38 |
| 1992 | 40 |
| 1993 | 38 |
| 1994 | 63 |
| 1995 | 43 |
| 1996 | 67 |
| 1997 | 64 |
| 1998 | 83 |
| 1999 | 80 |
| 2000 | 87 |
| 2001 | 89 |
| 2002 | 97 |
| 2003 | 96 |
| 2004 | 107 |
| 2005 | 106 |
| 2006 | 141 |
| 2007 | 124 |
| 2008 | 117 |
| 2009 | 128 |
| 2010 | 144 |
| 2011 | 142 |
| 2012 | 155 |
| 2013 | 155 |
| 2014 | 165 |
| 2015 | 191 |
| 2016 | 161 |
| 2017 | 159 |
| 2018 | 136 |
| 2019 | 140 |
| 2020 | 157 |
| 2021 | 164 |
| 2022 | 171 |
| 2023 | 157 |
| 2024 | 44 |