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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1974 | 7 |
| 1975 | 20 |
| 1976 | 26 |
| 1977 | 32 |
| 1978 | 28 |
| 1979 | 43 |
| 1980 | 23 |
| 1981 | 23 |
| 1982 | 19 |
| 1983 | 16 |
| 1984 | 18 |
| 1985 | 21 |
| 1986 | 17 |
| 1987 | 35 |
| 1988 | 27 |
| 1989 | 38 |
| 1990 | 42 |
| 1991 | 36 |
| 1992 | 44 |
| 1993 | 28 |
| 1994 | 45 |
| 1995 | 55 |
| 1996 | 48 |
| 1997 | 69 |
| 1998 | 73 |
| 1999 | 73 |
| 2000 | 109 |
| 2001 | 83 |
| 2002 | 104 |
| 2003 | 109 |
| 2004 | 134 |
| 2005 | 177 |
| 2006 | 166 |
| 2007 | 190 |
| 2008 | 189 |
| 2009 | 195 |
| 2010 | 192 |
| 2011 | 224 |
| 2012 | 240 |
| 2013 | 257 |
| 2014 | 322 |
| 2015 | 301 |
| 2016 | 273 |
| 2017 | 311 |
| 2018 | 331 |
| 2019 | 334 |
| 2020 | 220 |
| 2021 | 151 |
| 2022 | 138 |
| 2023 | 114 |
| 2024 | 210 |