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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 10 |
| 1967 | 14 |
| 1968 | 19 |
| 1969 | 34 |
| 1970 | 16 |
| 1971 | 40 |
| 1972 | 22 |
| 1973 | 41 |
| 1974 | 39 |
| 1975 | 48 |
| 1976 | 31 |
| 1977 | 49 |
| 1978 | 32 |
| 1979 | 63 |
| 1980 | 48 |
| 1981 | 39 |
| 1982 | 64 |
| 1983 | 54 |
| 1984 | 70 |
| 1985 | 48 |
| 1986 | 81 |
| 1987 | 73 |
| 1988 | 64 |
| 1989 | 76 |
| 1990 | 86 |
| 1991 | 87 |
| 1992 | 81 |
| 1993 | 92 |
| 1994 | 89 |
| 1995 | 99 |
| 1996 | 68 |
| 1997 | 85 |
| 1998 | 91 |
| 1999 | 98 |
| 2000 | 124 |
| 2001 | 128 |
| 2002 | 119 |
| 2003 | 144 |
| 2004 | 145 |
| 2005 | 167 |
| 2006 | 185 |
| 2007 | 196 |
| 2008 | 181 |
| 2009 | 186 |
| 2010 | 228 |
| 2011 | 273 |
| 2012 | 325 |
| 2013 | 288 |
| 2014 | 356 |
| 2015 | 360 |
| 2016 | 371 |
| 2017 | 348 |
| 2018 | 321 |
| 2019 | 369 |
| 2020 | 310 |
| 2021 | 226 |
| 2022 | 31 |
| 2023 | 3 |
| 2024 | 13 |