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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 7 |
| 1964 | 11 |
| 1965 | 16 |
| 1966 | 40 |
| 1967 | 81 |
| 1968 | 132 |
| 1969 | 166 |
| 1970 | 192 |
| 1971 | 202 |
| 1972 | 232 |
| 1973 | 252 |
| 1974 | 341 |
| 1975 | 264 |
| 1976 | 322 |
| 1977 | 324 |
| 1978 | 369 |
| 1979 | 420 |
| 1980 | 421 |
| 1981 | 388 |
| 1982 | 397 |
| 1983 | 534 |
| 1984 | 645 |
| 1985 | 712 |
| 1986 | 689 |
| 1987 | 1087 |
| 1988 | 1847 |
| 1989 | 2079 |
| 1990 | 2364 |
| 1991 | 2405 |
| 1992 | 2594 |
| 1993 | 2742 |
| 1994 | 3068 |
| 1995 | 3037 |
| 1996 | 3330 |
| 1997 | 3427 |
| 1998 | 3469 |
| 1999 | 3354 |
| 2000 | 3870 |
| 2001 | 3952 |
| 2002 | 4141 |
| 2003 | 4577 |
| 2004 | 4850 |
| 2005 | 4834 |
| 2006 | 4916 |
| 2007 | 5595 |
| 2008 | 5689 |
| 2009 | 5843 |
| 2010 | 6545 |
| 2011 | 7247 |
| 2012 | 7719 |
| 2013 | 8279 |
| 2014 | 9209 |
| 2015 | 9297 |
| 2016 | 9163 |
| 2017 | 9504 |
| 2018 | 9123 |
| 2019 | 8607 |
| 2020 | 9002 |
| 2021 | 7543 |
| 2022 | 7893 |
| 2023 | 7399 |
| 2024 | 2462 |