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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 5 |
| 1976 | 14 |
| 1977 | 11 |
| 1978 | 17 |
| 1979 | 19 |
| 1980 | 20 |
| 1981 | 16 |
| 1982 | 9 |
| 1983 | 24 |
| 1984 | 20 |
| 1985 | 34 |
| 1986 | 30 |
| 1987 | 29 |
| 1988 | 42 |
| 1989 | 43 |
| 1990 | 25 |
| 1991 | 40 |
| 1992 | 28 |
| 1993 | 23 |
| 1994 | 19 |
| 1995 | 32 |
| 1996 | 40 |
| 1997 | 43 |
| 1998 | 56 |
| 1999 | 55 |
| 2000 | 79 |
| 2001 | 89 |
| 2002 | 137 |
| 2003 | 222 |
| 2004 | 128 |
| 2005 | 117 |
| 2006 | 150 |
| 2007 | 168 |
| 2008 | 157 |
| 2009 | 162 |
| 2010 | 205 |
| 2011 | 225 |
| 2012 | 208 |
| 2013 | 211 |
| 2014 | 192 |
| 2015 | 206 |
| 2016 | 206 |
| 2017 | 213 |
| 2018 | 207 |
| 2019 | 186 |
| 2020 | 190 |
| 2021 | 176 |
| 2022 | 91 |
| 2023 | 25 |
| 2024 | 7 |