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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1966 | 1 |
| 1967 | 2 |
| 1971 | 1 |
| 1974 | 12 |
| 1975 | 16 |
| 1976 | 21 |
| 1977 | 33 |
| 1978 | 51 |
| 1979 | 44 |
| 1980 | 77 |
| 1981 | 75 |
| 1982 | 84 |
| 1983 | 53 |
| 1984 | 89 |
| 1985 | 70 |
| 1986 | 61 |
| 1987 | 65 |
| 1988 | 89 |
| 1989 | 93 |
| 1990 | 102 |
| 1991 | 127 |
| 1992 | 136 |
| 1993 | 116 |
| 1994 | 96 |
| 1995 | 89 |
| 1996 | 132 |
| 1997 | 134 |
| 1998 | 181 |
| 1999 | 190 |
| 2000 | 212 |
| 2001 | 214 |
| 2002 | 273 |
| 2003 | 438 |
| 2004 | 455 |
| 2005 | 528 |
| 2006 | 533 |
| 2007 | 571 |
| 2008 | 762 |
| 2009 | 779 |
| 2010 | 802 |
| 2011 | 914 |
| 2012 | 965 |
| 2013 | 947 |
| 2014 | 1038 |
| 2015 | 1093 |
| 2016 | 1087 |
| 2017 | 1044 |
| 2018 | 1173 |
| 2019 | 1150 |
| 2020 | 882 |
| 2021 | 448 |
| 2022 | 188 |
| 2023 | 218 |
| 2024 | 1129 |
| 2025 | 736 |