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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 |
| 1965 | 1 |
| 1980 | 4 |
| 1981 | 2 |
| 1982 | 3 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 2 |
| 1987 | 3 |
| 1988 | 4 |
| 1989 | 5 |
| 1990 | 4 |
| 1991 | 2 |
| 1992 | 7 |
| 1993 | 8 |
| 1994 | 7 |
| 1995 | 11 |
| 1996 | 13 |
| 1997 | 13 |
| 1998 | 7 |
| 1999 | 13 |
| 2000 | 9 |
| 2001 | 13 |
| 2002 | 14 |
| 2003 | 44 |
| 2004 | 52 |
| 2005 | 78 |
| 2006 | 80 |
| 2007 | 69 |
| 2008 | 79 |
| 2009 | 87 |
| 2010 | 93 |
| 2011 | 109 |
| 2012 | 103 |
| 2013 | 133 |
| 2014 | 125 |
| 2015 | 137 |
| 2016 | 143 |
| 2017 | 155 |
| 2018 | 167 |
| 2019 | 170 |
| 2020 | 180 |
| 2021 | 204 |
| 2022 | 197 |
| 2023 | 171 |
| 2024 | 176 |
| 2025 | 146 |
| 2026 | 114 |