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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1960 | 1 |
| 1966 | 2 |
| 1967 | 3 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 15 |
| 1975 | 32 |
| 1976 | 17 |
| 1977 | 35 |
| 1978 | 26 |
| 1979 | 46 |
| 1980 | 93 |
| 1981 | 82 |
| 1982 | 99 |
| 1983 | 78 |
| 1984 | 118 |
| 1985 | 84 |
| 1986 | 80 |
| 1987 | 81 |
| 1988 | 84 |
| 1989 | 177 |
| 1990 | 343 |
| 1991 | 366 |
| 1992 | 451 |
| 1993 | 370 |
| 1994 | 442 |
| 1995 | 422 |
| 1996 | 397 |
| 1997 | 490 |
| 1998 | 488 |
| 1999 | 625 |
| 2000 | 597 |
| 2001 | 691 |
| 2002 | 769 |
| 2003 | 836 |
| 2004 | 804 |
| 2005 | 998 |
| 2006 | 1064 |
| 2007 | 1068 |
| 2008 | 1202 |
| 2009 | 1209 |
| 2010 | 1312 |
| 2011 | 1380 |
| 2012 | 1623 |
| 2013 | 1674 |
| 2014 | 1546 |
| 2015 | 1734 |
| 2016 | 1798 |
| 2017 | 1566 |
| 2018 | 1785 |
| 2019 | 1932 |
| 2020 | 2506 |
| 2021 | 2352 |
| 2022 | 2149 |
| 2023 | 1583 |
| 2024 | 507 |