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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 2 |
| 1953 | 1 |
| 1961 | 2 |
| 1962 | 1 |
| 1965 | 1 |
| 1970 | 1 |
| 1973 | 1 |
| 1976 | 1 |
| 1977 | 2 |
| 1988 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1993 | 2 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 2 |
| 1998 | 3 |
| 1999 | 3 |
| 2000 | 9 |
| 2001 | 3 |
| 2002 | 4 |
| 2003 | 8 |
| 2004 | 12 |
| 2005 | 15 |
| 2006 | 12 |
| 2007 | 16 |
| 2008 | 24 |
| 2009 | 29 |
| 2010 | 30 |
| 2011 | 34 |
| 2012 | 54 |
| 2013 | 34 |
| 2014 | 45 |
| 2015 | 65 |
| 2016 | 53 |
| 2017 | 69 |
| 2018 | 77 |
| 2019 | 78 |
| 2020 | 100 |
| 2021 | 83 |
| 2022 | 88 |
| 2023 | 69 |
| 2024 | 63 |
| 2025 | 67 |