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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 5 |
| 1964 | 8 |
| 1965 | 81 |
| 1966 | 173 |
| 1967 | 201 |
| 1968 | 226 |
| 1969 | 224 |
| 1970 | 212 |
| 1971 | 271 |
| 1972 | 351 |
| 1973 | 413 |
| 1974 | 526 |
| 1975 | 529 |
| 1976 | 606 |
| 1977 | 648 |
| 1978 | 599 |
| 1979 | 667 |
| 1980 | 604 |
| 1981 | 497 |
| 1982 | 435 |
| 1983 | 422 |
| 1984 | 422 |
| 1985 | 632 |
| 1986 | 742 |
| 1987 | 872 |
| 1988 | 1192 |
| 1989 | 1542 |
| 1990 | 2068 |
| 1991 | 2463 |
| 1992 | 3584 |
| 1993 | 4916 |
| 1994 | 5766 |
| 1995 | 6247 |
| 1996 | 6561 |
| 1997 | 6885 |
| 1998 | 6901 |
| 1999 | 7053 |
| 2000 | 8158 |
| 2001 | 9740 |
| 2002 | 9605 |
| 2003 | 9730 |
| 2004 | 10114 |
| 2005 | 10670 |
| 2006 | 10915 |
| 2007 | 11043 |
| 2008 | 10737 |
| 2009 | 11031 |
| 2010 | 10213 |
| 2011 | 9693 |
| 2012 | 10559 |
| 2013 | 9982 |
| 2014 | 9235 |
| 2015 | 9243 |
| 2016 | 8380 |
| 2017 | 7263 |
| 2018 | 6222 |
| 2019 | 5350 |
| 2020 | 4564 |
| 2021 | 3711 |
| 2022 | 4225 |
| 2023 | 3051 |
| 2024 | 1040 |