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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 4 |
| 1967 | 10 |
| 1968 | 11 |
| 1969 | 16 |
| 1970 | 17 |
| 1971 | 15 |
| 1972 | 12 |
| 1973 | 12 |
| 1974 | 19 |
| 1975 | 12 |
| 1976 | 14 |
| 1977 | 36 |
| 1978 | 51 |
| 1979 | 63 |
| 1980 | 57 |
| 1981 | 56 |
| 1982 | 54 |
| 1983 | 51 |
| 1984 | 77 |
| 1985 | 69 |
| 1986 | 74 |
| 1987 | 69 |
| 1988 | 70 |
| 1989 | 50 |
| 1990 | 64 |
| 1991 | 63 |
| 1992 | 56 |
| 1993 | 94 |
| 1994 | 86 |
| 1995 | 92 |
| 1996 | 105 |
| 1997 | 121 |
| 1998 | 124 |
| 1999 | 107 |
| 2000 | 134 |
| 2001 | 147 |
| 2002 | 145 |
| 2003 | 175 |
| 2004 | 176 |
| 2005 | 152 |
| 2006 | 207 |
| 2007 | 219 |
| 2008 | 247 |
| 2009 | 210 |
| 2010 | 289 |
| 2011 | 311 |
| 2012 | 306 |
| 2013 | 331 |
| 2014 | 405 |
| 2015 | 386 |
| 2016 | 382 |
| 2017 | 430 |
| 2018 | 412 |
| 2019 | 419 |
| 2020 | 497 |
| 2021 | 515 |
| 2022 | 530 |
| 2023 | 473 |
| 2024 | 156 |