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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 34 |
| 1965 | 127 |
| 1966 | 30 |
| 1967 | 61 |
| 1968 | 158 |
| 1969 | 27 |
| 1970 | 52 |
| 1972 | 108 |
| 1973 | 70 |
| 1974 | 31 |
| 1975 | 68 |
| 1976 | 93 |
| 1977 | 40 |
| 1978 | 33 |
| 1979 | 215 |
| 1980 | 133 |
| 1982 | 72 |
| 1983 | 138 |
| 1984 | 52 |
| 1985 | 18 |
| 1986 | 182 |
| 1987 | 71 |
| 1988 | 260 |
| 1989 | 104 |
| 1990 | 224 |
| 1991 | 79 |
| 1992 | 193 |
| 1993 | 172 |
| 1994 | 129 |
| 1995 | 90 |
| 1996 | 205 |
| 1997 | 36 |
| 1998 | 147 |
| 1999 | 100 |
| 2000 | 210 |
| 2001 | 184 |
| 2002 | 221 |
| 2003 | 18 |
| 2004 | 125 |
| 2005 | 118 |
| 2006 | 196 |
| 2007 | 221 |
| 2008 | 282 |
| 2009 | 160 |
| 2010 | 104 |
| 2011 | 125 |
| 2012 | 121 |
| 2013 | 95 |
| 2014 | 127 |
| 2015 | 147 |
| 2016 | 110 |
| 2017 | 96 |
| 2018 | 95 |
| 2019 | 136 |
| 2020 | 127 |
| 2021 | 129 |
| 2022 | 140 |
| 2023 | 63 |
| 2024 | 83 |
| 2025 | 0 |