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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1962 | 38 |
| 1963 | 184 |
| 1964 | 278 |
| 1965 | 278 |
| 1966 | 313 |
| 1967 | 314 |
| 1968 | 434 |
| 1969 | 471 |
| 1970 | 395 |
| 1971 | 419 |
| 1972 | 479 |
| 1973 | 553 |
| 1974 | 654 |
| 1975 | 415 |
| 1976 | 275 |
| 1977 | 272 |
| 1978 | 247 |
| 1979 | 221 |
| 1980 | 239 |
| 1981 | 173 |
| 1982 | 171 |
| 1983 | 164 |
| 1984 | 188 |
| 1985 | 191 |
| 1986 | 183 |
| 1987 | 191 |
| 1988 | 234 |
| 1989 | 212 |
| 1990 | 253 |
| 1991 | 327 |
| 1992 | 383 |
| 1993 | 425 |
| 1994 | 414 |
| 1995 | 500 |
| 1996 | 527 |
| 1997 | 553 |
| 1998 | 544 |
| 1999 | 534 |
| 2000 | 480 |
| 2001 | 480 |
| 2002 | 592 |
| 2003 | 649 |
| 2004 | 899 |
| 2005 | 710 |
| 2006 | 957 |
| 2007 | 1101 |
| 2008 | 1068 |
| 2009 | 1037 |
| 2010 | 867 |
| 2011 | 786 |
| 2012 | 877 |
| 2013 | 802 |
| 2014 | 608 |
| 2015 | 629 |
| 2016 | 739 |
| 2017 | 612 |
| 2018 | 635 |
| 2019 | 592 |
| 2020 | 525 |
| 2021 | 416 |
| 2022 | 157 |
| 2023 | 93 |
| 2024 | 89 |