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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1971 | 1 |
| 1973 | 4 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 6 |
| 1977 | 3 |
| 1978 | 3 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 3 |
| 1983 | 4 |
| 1984 | 4 |
| 1985 | 4 |
| 1986 | 4 |
| 1987 | 6 |
| 1988 | 10 |
| 1989 | 16 |
| 1990 | 11 |
| 1991 | 9 |
| 1992 | 11 |
| 1993 | 9 |
| 1994 | 11 |
| 1995 | 15 |
| 1996 | 17 |
| 1997 | 38 |
| 1998 | 34 |
| 1999 | 29 |
| 2000 | 50 |
| 2001 | 60 |
| 2002 | 68 |
| 2003 | 87 |
| 2004 | 111 |
| 2005 | 134 |
| 2006 | 167 |
| 2007 | 180 |
| 2008 | 209 |
| 2009 | 289 |
| 2010 | 345 |
| 2011 | 386 |
| 2012 | 458 |
| 2013 | 522 |
| 2014 | 591 |
| 2015 | 627 |
| 2016 | 654 |
| 2017 | 694 |
| 2018 | 793 |
| 2019 | 845 |
| 2020 | 1110 |
| 2021 | 1261 |
| 2022 | 1489 |
| 2023 | 1453 |
| 2024 | 595 |