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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 5 |
| 1966 | 16 |
| 1967 | 14 |
| 1968 | 17 |
| 1969 | 24 |
| 1970 | 25 |
| 1971 | 37 |
| 1972 | 28 |
| 1973 | 29 |
| 1974 | 43 |
| 1975 | 39 |
| 1976 | 33 |
| 1977 | 58 |
| 1978 | 50 |
| 1979 | 65 |
| 1980 | 66 |
| 1981 | 75 |
| 1982 | 57 |
| 1983 | 79 |
| 1984 | 94 |
| 1985 | 85 |
| 1986 | 82 |
| 1987 | 86 |
| 1988 | 100 |
| 1989 | 114 |
| 1990 | 123 |
| 1991 | 109 |
| 1992 | 88 |
| 1993 | 110 |
| 1994 | 100 |
| 1995 | 92 |
| 1996 | 88 |
| 1997 | 80 |
| 1998 | 102 |
| 1999 | 108 |
| 2000 | 125 |
| 2001 | 147 |
| 2002 | 140 |
| 2003 | 176 |
| 2004 | 227 |
| 2005 | 241 |
| 2006 | 287 |
| 2007 | 291 |
| 2008 | 338 |
| 2009 | 354 |
| 2010 | 423 |
| 2011 | 408 |
| 2012 | 455 |
| 2013 | 491 |
| 2014 | 415 |
| 2015 | 408 |
| 2016 | 381 |
| 2017 | 314 |
| 2018 | 279 |
| 2019 | 328 |
| 2020 | 246 |
| 2021 | 168 |
| 2022 | 26 |
| 2023 | 5 |
| 2024 | 14 |