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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 2 |
| 1965 | 24 |
| 1966 | 37 |
| 1967 | 34 |
| 1968 | 48 |
| 1969 | 53 |
| 1970 | 73 |
| 1971 | 53 |
| 1972 | 62 |
| 1973 | 61 |
| 1974 | 68 |
| 1975 | 62 |
| 1976 | 49 |
| 1977 | 75 |
| 1978 | 65 |
| 1979 | 72 |
| 1980 | 76 |
| 1981 | 69 |
| 1982 | 72 |
| 1983 | 80 |
| 1984 | 58 |
| 1985 | 80 |
| 1986 | 64 |
| 1987 | 77 |
| 1988 | 71 |
| 1989 | 80 |
| 1990 | 92 |
| 1991 | 75 |
| 1992 | 105 |
| 1993 | 111 |
| 1994 | 89 |
| 1995 | 108 |
| 1996 | 85 |
| 1997 | 78 |
| 1998 | 99 |
| 1999 | 94 |
| 2000 | 85 |
| 2001 | 105 |
| 2002 | 81 |
| 2003 | 102 |
| 2004 | 113 |
| 2005 | 148 |
| 2006 | 132 |
| 2007 | 130 |
| 2008 | 136 |
| 2009 | 134 |
| 2010 | 133 |
| 2011 | 172 |
| 2012 | 174 |
| 2013 | 195 |
| 2014 | 188 |
| 2015 | 183 |
| 2016 | 174 |
| 2017 | 218 |
| 2018 | 181 |
| 2019 | 192 |
| 2020 | 192 |
| 2021 | 174 |
| 2022 | 233 |
| 2023 | 204 |
| 2024 | 189 |
| 2025 | 91 |