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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1957 | 2 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 3 |
| 1974 | 2 |
| 1976 | 36 |
| 1977 | 81 |
| 1978 | 118 |
| 1979 | 97 |
| 1980 | 139 |
| 1981 | 168 |
| 1982 | 213 |
| 1983 | 219 |
| 1984 | 255 |
| 1985 | 330 |
| 1986 | 351 |
| 1987 | 329 |
| 1988 | 455 |
| 1989 | 489 |
| 1990 | 626 |
| 1991 | 624 |
| 1992 | 665 |
| 1993 | 664 |
| 1994 | 655 |
| 1995 | 606 |
| 1996 | 743 |
| 1997 | 722 |
| 1998 | 810 |
| 1999 | 801 |
| 2000 | 836 |
| 2001 | 843 |
| 2002 | 862 |
| 2003 | 825 |
| 2004 | 826 |
| 2005 | 774 |
| 2006 | 821 |
| 2007 | 863 |
| 2008 | 907 |
| 2009 | 851 |
| 2010 | 924 |
| 2011 | 854 |
| 2012 | 832 |
| 2013 | 883 |
| 2014 | 771 |
| 2015 | 701 |
| 2016 | 650 |
| 2017 | 592 |
| 2018 | 563 |
| 2019 | 564 |
| 2020 | 487 |
| 2021 | 420 |
| 2022 | 286 |
| 2023 | 228 |
| 2024 | 317 |
| 2025 | 188 |