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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1968 | 3 |
| 1970 | 1 |
| 1971 | 4 |
| 1972 | 4 |
| 1973 | 4 |
| 1974 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 3 |
| 1983 | 11 |
| 1984 | 2 |
| 1985 | 1 |
| 1986 | 4 |
| 1987 | 6 |
| 1988 | 9 |
| 1989 | 11 |
| 1990 | 44 |
| 1991 | 164 |
| 1992 | 219 |
| 1993 | 206 |
| 1994 | 282 |
| 1995 | 322 |
| 1996 | 359 |
| 1997 | 382 |
| 1998 | 411 |
| 1999 | 438 |
| 2000 | 525 |
| 2001 | 587 |
| 2002 | 671 |
| 2003 | 798 |
| 2004 | 947 |
| 2005 | 974 |
| 2006 | 1036 |
| 2007 | 932 |
| 2008 | 941 |
| 2009 | 967 |
| 2010 | 1016 |
| 2011 | 1071 |
| 2012 | 1160 |
| 2013 | 1220 |
| 2014 | 1109 |
| 2015 | 1011 |
| 2016 | 917 |
| 2017 | 846 |
| 2018 | 814 |
| 2019 | 777 |
| 2020 | 1190 |
| 2021 | 1246 |
| 2022 | 560 |
| 2023 | 273 |
| 2024 | 1071 |
| 2025 | 1087 |