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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 29 |
| 1973 | 36 |
| 1974 | 35 |
| 1975 | 38 |
| 1976 | 38 |
| 1977 | 57 |
| 1978 | 61 |
| 1979 | 67 |
| 1980 | 40 |
| 1981 | 48 |
| 1982 | 36 |
| 1983 | 60 |
| 1984 | 57 |
| 1985 | 65 |
| 1986 | 55 |
| 1987 | 70 |
| 1988 | 67 |
| 1989 | 81 |
| 1990 | 86 |
| 1991 | 87 |
| 1992 | 82 |
| 1993 | 92 |
| 1994 | 128 |
| 1995 | 107 |
| 1996 | 103 |
| 1997 | 111 |
| 1998 | 117 |
| 1999 | 137 |
| 2000 | 144 |
| 2001 | 163 |
| 2002 | 132 |
| 2003 | 160 |
| 2004 | 177 |
| 2005 | 195 |
| 2006 | 209 |
| 2007 | 202 |
| 2008 | 210 |
| 2009 | 212 |
| 2010 | 192 |
| 2011 | 200 |
| 2012 | 211 |
| 2013 | 236 |
| 2014 | 236 |
| 2015 | 219 |
| 2016 | 178 |
| 2017 | 186 |
| 2018 | 166 |
| 2019 | 184 |
| 2020 | 156 |
| 2021 | 339 |
| 2022 | 362 |
| 2023 | 253 |
| 2024 | 129 |