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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 2 |
| 1972 | 61 |
| 1973 | 144 |
| 1974 | 132 |
| 1975 | 127 |
| 1976 | 101 |
| 1977 | 114 |
| 1978 | 127 |
| 1979 | 96 |
| 1980 | 102 |
| 1981 | 92 |
| 1982 | 106 |
| 1983 | 90 |
| 1984 | 104 |
| 1985 | 110 |
| 1986 | 104 |
| 1987 | 126 |
| 1988 | 105 |
| 1989 | 143 |
| 1990 | 164 |
| 1991 | 134 |
| 1992 | 117 |
| 1993 | 129 |
| 1994 | 139 |
| 1995 | 148 |
| 1996 | 150 |
| 1997 | 152 |
| 1998 | 145 |
| 1999 | 154 |
| 2000 | 187 |
| 2001 | 185 |
| 2002 | 176 |
| 2003 | 193 |
| 2004 | 226 |
| 2005 | 236 |
| 2006 | 228 |
| 2007 | 237 |
| 2008 | 281 |
| 2009 | 296 |
| 2010 | 308 |
| 2011 | 362 |
| 2012 | 408 |
| 2013 | 392 |
| 2014 | 414 |
| 2015 | 465 |
| 2016 | 454 |
| 2017 | 479 |
| 2018 | 554 |
| 2019 | 524 |
| 2020 | 553 |
| 2021 | 477 |
| 2022 | 449 |
| 2023 | 451 |
| 2024 | 504 |