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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1964 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1975 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1987 | 2 |
| 1988 | 2 |
| 1989 | 2 |
| 1990 | 3 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 4 |
| 1996 | 5 |
| 1997 | 9 |
| 1998 | 9 |
| 1999 | 16 |
| 2000 | 28 |
| 2001 | 23 |
| 2002 | 110 |
| 2003 | 362 |
| 2004 | 883 |
| 2005 | 1453 |
| 2006 | 1862 |
| 2007 | 2360 |
| 2008 | 2943 |
| 2009 | 3453 |
| 2010 | 3793 |
| 2011 | 4102 |
| 2012 | 4127 |
| 2013 | 4421 |
| 2014 | 4630 |
| 2015 | 4724 |
| 2016 | 4663 |
| 2017 | 4615 |
| 2018 | 4792 |
| 2019 | 4612 |
| 2020 | 4771 |
| 2021 | 4633 |
| 2022 | 4105 |
| 2023 | 4286 |
| 2024 | 3725 |
| 2025 | 1417 |