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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1965 | 6 |
| 1966 | 17 |
| 1967 | 31 |
| 1968 | 26 |
| 1969 | 37 |
| 1970 | 37 |
| 1971 | 35 |
| 1972 | 42 |
| 1973 | 48 |
| 1974 | 41 |
| 1975 | 40 |
| 1976 | 41 |
| 1977 | 57 |
| 1978 | 69 |
| 1979 | 68 |
| 1980 | 59 |
| 1981 | 79 |
| 1982 | 84 |
| 1983 | 76 |
| 1984 | 92 |
| 1985 | 95 |
| 1986 | 100 |
| 1987 | 91 |
| 1988 | 132 |
| 1989 | 111 |
| 1990 | 107 |
| 1991 | 115 |
| 1992 | 145 |
| 1993 | 138 |
| 1994 | 133 |
| 1995 | 129 |
| 1996 | 126 |
| 1997 | 133 |
| 1998 | 166 |
| 1999 | 165 |
| 2000 | 164 |
| 2001 | 198 |
| 2002 | 191 |
| 2003 | 173 |
| 2004 | 200 |
| 2005 | 216 |
| 2006 | 253 |
| 2007 | 196 |
| 2008 | 204 |
| 2009 | 208 |
| 2010 | 248 |
| 2011 | 247 |
| 2012 | 295 |
| 2013 | 306 |
| 2014 | 320 |
| 2015 | 302 |
| 2016 | 410 |
| 2017 | 441 |
| 2018 | 343 |
| 2019 | 384 |
| 2020 | 334 |
| 2021 | 321 |
| 2022 | 224 |
| 2023 | 201 |
| 2024 | 76 |