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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 18 |
| 1967 | 47 |
| 1968 | 66 |
| 1969 | 47 |
| 1970 | 59 |
| 1971 | 50 |
| 1972 | 64 |
| 1973 | 71 |
| 1974 | 81 |
| 1975 | 47 |
| 1976 | 48 |
| 1977 | 57 |
| 1978 | 55 |
| 1979 | 57 |
| 1980 | 51 |
| 1981 | 55 |
| 1982 | 52 |
| 1983 | 33 |
| 1984 | 53 |
| 1985 | 59 |
| 1986 | 57 |
| 1987 | 50 |
| 1988 | 48 |
| 1989 | 53 |
| 1990 | 62 |
| 1991 | 59 |
| 1992 | 37 |
| 1993 | 47 |
| 1994 | 60 |
| 1995 | 60 |
| 1996 | 56 |
| 1997 | 40 |
| 1998 | 51 |
| 1999 | 40 |
| 2000 | 34 |
| 2001 | 44 |
| 2002 | 47 |
| 2003 | 52 |
| 2004 | 47 |
| 2005 | 71 |
| 2006 | 70 |
| 2007 | 92 |
| 2008 | 87 |
| 2009 | 91 |
| 2010 | 117 |
| 2011 | 105 |
| 2012 | 111 |
| 2013 | 115 |
| 2014 | 145 |
| 2015 | 127 |
| 2016 | 125 |
| 2017 | 109 |
| 2018 | 134 |
| 2019 | 132 |
| 2020 | 153 |
| 2021 | 88 |
| 2022 | 122 |
| 2023 | 77 |
| 2024 | 102 |
| 2025 | 86 |
| 2026 | 42 |