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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 2 |
| 1964 | 7 |
| 1965 | 7 |
| 1966 | 22 |
| 1967 | 31 |
| 1968 | 34 |
| 1969 | 29 |
| 1970 | 25 |
| 1971 | 57 |
| 1972 | 29 |
| 1973 | 31 |
| 1974 | 64 |
| 1975 | 31 |
| 1976 | 38 |
| 1977 | 32 |
| 1978 | 45 |
| 1979 | 45 |
| 1980 | 42 |
| 1981 | 51 |
| 1982 | 41 |
| 1983 | 65 |
| 1984 | 67 |
| 1985 | 91 |
| 1986 | 111 |
| 1987 | 111 |
| 1988 | 112 |
| 1989 | 145 |
| 1990 | 140 |
| 1991 | 185 |
| 1992 | 186 |
| 1993 | 236 |
| 1994 | 303 |
| 1995 | 205 |
| 1996 | 248 |
| 1997 | 255 |
| 1998 | 257 |
| 1999 | 271 |
| 2000 | 298 |
| 2001 | 319 |
| 2002 | 396 |
| 2003 | 377 |
| 2004 | 372 |
| 2005 | 521 |
| 2006 | 546 |
| 2007 | 553 |
| 2008 | 594 |
| 2009 | 665 |
| 2010 | 859 |
| 2011 | 847 |
| 2012 | 822 |
| 2013 | 1024 |
| 2014 | 1127 |
| 2015 | 1108 |
| 2016 | 1198 |
| 2017 | 1238 |
| 2018 | 1255 |
| 2019 | 1211 |
| 2020 | 1462 |
| 2021 | 1519 |
| 2022 | 1740 |
| 2023 | 1663 |
| 2024 | 710 |