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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 2 |
| 1965 | 4 |
| 1966 | 13 |
| 1967 | 18 |
| 1968 | 18 |
| 1969 | 31 |
| 1970 | 30 |
| 1971 | 33 |
| 1972 | 25 |
| 1973 | 37 |
| 1974 | 25 |
| 1975 | 28 |
| 1976 | 27 |
| 1977 | 49 |
| 1978 | 45 |
| 1979 | 46 |
| 1980 | 44 |
| 1981 | 57 |
| 1982 | 81 |
| 1983 | 111 |
| 1984 | 158 |
| 1985 | 150 |
| 1986 | 112 |
| 1987 | 127 |
| 1988 | 144 |
| 1989 | 164 |
| 1990 | 176 |
| 1991 | 112 |
| 1992 | 163 |
| 1993 | 113 |
| 1994 | 137 |
| 1995 | 119 |
| 1996 | 123 |
| 1997 | 128 |
| 1998 | 106 |
| 1999 | 130 |
| 2000 | 154 |
| 2001 | 164 |
| 2002 | 193 |
| 2003 | 178 |
| 2004 | 188 |
| 2005 | 204 |
| 2006 | 233 |
| 2007 | 239 |
| 2008 | 228 |
| 2009 | 272 |
| 2010 | 292 |
| 2011 | 305 |
| 2012 | 322 |
| 2013 | 394 |
| 2014 | 396 |
| 2015 | 390 |
| 2016 | 369 |
| 2017 | 330 |
| 2018 | 385 |
| 2019 | 404 |
| 2020 | 500 |
| 2021 | 712 |
| 2022 | 712 |
| 2023 | 630 |
| 2024 | 223 |