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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1969 | 1 |
| 1972 | 2 |
| 1974 | 5 |
| 1975 | 6 |
| 1976 | 3 |
| 1977 | 7 |
| 1978 | 7 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 3 |
| 1982 | 1 |
| 1983 | 1 |
| 1987 | 6 |
| 1988 | 6 |
| 1989 | 2 |
| 1990 | 1 |
| 1991 | 3 |
| 1992 | 3 |
| 1993 | 7 |
| 1994 | 7 |
| 1995 | 15 |
| 1996 | 7 |
| 1997 | 13 |
| 1998 | 16 |
| 1999 | 22 |
| 2000 | 33 |
| 2001 | 44 |
| 2002 | 43 |
| 2003 | 40 |
| 2004 | 64 |
| 2005 | 70 |
| 2006 | 64 |
| 2007 | 82 |
| 2008 | 96 |
| 2009 | 99 |
| 2010 | 125 |
| 2011 | 161 |
| 2012 | 131 |
| 2013 | 138 |
| 2014 | 133 |
| 2015 | 115 |
| 2016 | 143 |
| 2017 | 148 |
| 2018 | 126 |
| 2019 | 128 |
| 2020 | 143 |
| 2021 | 181 |
| 2022 | 141 |
| 2023 | 109 |
| 2024 | 120 |
| 2025 | 87 |