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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1970 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1987 | 2 |
| 1988 | 4 |
| 1989 | 1 |
| 1990 | 4 |
| 1991 | 6 |
| 1992 | 4 |
| 1993 | 6 |
| 1994 | 6 |
| 1995 | 7 |
| 1996 | 7 |
| 1997 | 7 |
| 1998 | 15 |
| 1999 | 9 |
| 2000 | 16 |
| 2001 | 17 |
| 2002 | 24 |
| 2003 | 26 |
| 2004 | 42 |
| 2005 | 45 |
| 2006 | 56 |
| 2007 | 42 |
| 2008 | 61 |
| 2009 | 71 |
| 2010 | 69 |
| 2011 | 75 |
| 2012 | 78 |
| 2013 | 89 |
| 2014 | 111 |
| 2015 | 122 |
| 2016 | 125 |
| 2017 | 135 |
| 2018 | 139 |
| 2019 | 119 |
| 2020 | 141 |
| 2021 | 124 |
| 2022 | 114 |
| 2023 | 97 |
| 2024 | 71 |
| 2025 | 50 |