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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 | 19 |
| 1967 | 49 |
| 1968 | 70 |
| 1969 | 48 |
| 1970 | 70 |
| 1971 | 55 |
| 1972 | 69 |
| 1973 | 75 |
| 1974 | 82 |
| 1975 | 49 |
| 1976 | 51 |
| 1977 | 58 |
| 1978 | 61 |
| 1979 | 62 |
| 1980 | 54 |
| 1981 | 64 |
| 1982 | 62 |
| 1983 | 40 |
| 1984 | 54 |
| 1985 | 68 |
| 1986 | 69 |
| 1987 | 64 |
| 1988 | 57 |
| 1989 | 65 |
| 1990 | 70 |
| 1991 | 64 |
| 1992 | 51 |
| 1993 | 55 |
| 1994 | 71 |
| 1995 | 72 |
| 1996 | 69 |
| 1997 | 52 |
| 1998 | 57 |
| 1999 | 47 |
| 2000 | 45 |
| 2001 | 61 |
| 2002 | 63 |
| 2003 | 56 |
| 2004 | 59 |
| 2005 | 81 |
| 2006 | 78 |
| 2007 | 99 |
| 2008 | 104 |
| 2009 | 101 |
| 2010 | 130 |
| 2011 | 123 |
| 2012 | 135 |
| 2013 | 139 |
| 2014 | 161 |
| 2015 | 148 |
| 2016 | 147 |
| 2017 | 132 |
| 2018 | 153 |
| 2019 | 156 |
| 2020 | 165 |
| 2021 | 98 |
| 2022 | 123 |
| 2023 | 77 |
| 2024 | 104 |
| 2025 | 22 |