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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 7 |
| 1964 | 15 |
| 1965 | 52 |
| 1966 | 40 |
| 1967 | 43 |
| 1968 | 63 |
| 1969 | 47 |
| 1970 | 35 |
| 1971 | 37 |
| 1972 | 74 |
| 1973 | 57 |
| 1974 | 62 |
| 1975 | 53 |
| 1976 | 51 |
| 1977 | 64 |
| 1978 | 68 |
| 1979 | 72 |
| 1980 | 67 |
| 1981 | 39 |
| 1982 | 76 |
| 1983 | 77 |
| 1984 | 81 |
| 1985 | 86 |
| 1986 | 92 |
| 1987 | 81 |
| 1988 | 76 |
| 1989 | 79 |
| 1990 | 79 |
| 1991 | 78 |
| 1992 | 76 |
| 1993 | 70 |
| 1994 | 77 |
| 1995 | 76 |
| 1996 | 106 |
| 1997 | 113 |
| 1998 | 117 |
| 1999 | 93 |
| 2000 | 113 |
| 2001 | 112 |
| 2002 | 104 |
| 2003 | 91 |
| 2004 | 96 |
| 2005 | 113 |
| 2006 | 109 |
| 2007 | 128 |
| 2008 | 144 |
| 2009 | 101 |
| 2010 | 107 |
| 2011 | 86 |
| 2012 | 167 |
| 2013 | 166 |
| 2014 | 184 |
| 2015 | 235 |
| 2016 | 354 |
| 2017 | 304 |
| 2018 | 289 |
| 2019 | 86 |
| 2020 | 160 |
| 2021 | 178 |
| 2022 | 109 |
| 2023 | 95 |
| 2024 | 56 |