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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 8 |
| 1968 | 12 |
| 1969 | 8 |
| 1970 | 10 |
| 1971 | 8 |
| 1972 | 5 |
| 1973 | 7 |
| 1974 | 5 |
| 1975 | 5 |
| 1976 | 13 |
| 1977 | 19 |
| 1978 | 27 |
| 1979 | 29 |
| 1980 | 17 |
| 1981 | 21 |
| 1982 | 18 |
| 1983 | 28 |
| 1984 | 38 |
| 1985 | 44 |
| 1986 | 40 |
| 1987 | 22 |
| 1988 | 25 |
| 1989 | 38 |
| 1990 | 33 |
| 1991 | 46 |
| 1992 | 55 |
| 1993 | 76 |
| 1994 | 61 |
| 1995 | 64 |
| 1996 | 93 |
| 1997 | 94 |
| 1998 | 117 |
| 1999 | 120 |
| 2000 | 95 |
| 2001 | 119 |
| 2002 | 120 |
| 2003 | 124 |
| 2004 | 149 |
| 2005 | 198 |
| 2006 | 209 |
| 2007 | 234 |
| 2008 | 281 |
| 2009 | 301 |
| 2010 | 364 |
| 2011 | 442 |
| 2012 | 477 |
| 2013 | 511 |
| 2014 | 572 |
| 2015 | 597 |
| 2016 | 612 |
| 2017 | 646 |
| 2018 | 688 |
| 2019 | 666 |
| 2020 | 553 |
| 2021 | 286 |
| 2022 | 28 |
| 2023 | 14 |
| 2024 | 76 |