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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 8 |
| 1977 | 1 |
| 1978 | 5 |
| 1979 | 5 |
| 1980 | 11 |
| 1981 | 9 |
| 1982 | 20 |
| 1983 | 11 |
| 1984 | 16 |
| 1985 | 14 |
| 1986 | 12 |
| 1987 | 22 |
| 1988 | 14 |
| 1989 | 22 |
| 1990 | 25 |
| 1991 | 21 |
| 1992 | 25 |
| 1993 | 20 |
| 1994 | 26 |
| 1995 | 29 |
| 1996 | 42 |
| 1997 | 33 |
| 1998 | 57 |
| 1999 | 76 |
| 2000 | 87 |
| 2001 | 89 |
| 2002 | 60 |
| 2003 | 99 |
| 2004 | 133 |
| 2005 | 158 |
| 2006 | 179 |
| 2007 | 170 |
| 2008 | 197 |
| 2009 | 210 |
| 2010 | 219 |
| 2011 | 215 |
| 2012 | 196 |
| 2013 | 230 |
| 2014 | 246 |
| 2015 | 223 |
| 2016 | 221 |
| 2017 | 160 |
| 2018 | 165 |
| 2019 | 142 |
| 2020 | 115 |
| 2021 | 32 |
| 2022 | 19 |
| 2023 | 19 |
| 2024 | 33 |
| 2025 | 153 |
| 2026 | 4 |