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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 1 |
| 1974 | 1 |
| 1975 | 31 |
| 1976 | 18 |
| 1977 | 21 |
| 1978 | 19 |
| 1979 | 23 |
| 1980 | 24 |
| 1981 | 38 |
| 1982 | 34 |
| 1983 | 54 |
| 1984 | 42 |
| 1985 | 40 |
| 1986 | 45 |
| 1987 | 65 |
| 1988 | 51 |
| 1989 | 52 |
| 1990 | 51 |
| 1991 | 50 |
| 1992 | 56 |
| 1993 | 60 |
| 1994 | 73 |
| 1995 | 82 |
| 1996 | 75 |
| 1997 | 84 |
| 1998 | 89 |
| 1999 | 95 |
| 2000 | 81 |
| 2001 | 87 |
| 2002 | 95 |
| 2003 | 113 |
| 2004 | 140 |
| 2005 | 129 |
| 2006 | 115 |
| 2007 | 136 |
| 2008 | 178 |
| 2009 | 220 |
| 2010 | 231 |
| 2011 | 246 |
| 2012 | 267 |
| 2013 | 277 |
| 2014 | 277 |
| 2015 | 317 |
| 2016 | 198 |
| 2017 | 151 |
| 2018 | 259 |
| 2019 | 273 |
| 2020 | 267 |
| 2021 | 261 |
| 2022 | 270 |
| 2023 | 232 |
| 2024 | 33 |