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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1966 | 1 |
| 1979 | 8 |
| 1980 | 8 |
| 1981 | 13 |
| 1982 | 25 |
| 1983 | 32 |
| 1984 | 20 |
| 1985 | 37 |
| 1986 | 56 |
| 1987 | 40 |
| 1988 | 57 |
| 1989 | 70 |
| 1990 | 76 |
| 1991 | 94 |
| 1992 | 92 |
| 1993 | 99 |
| 1994 | 114 |
| 1995 | 141 |
| 1996 | 135 |
| 1997 | 165 |
| 1998 | 179 |
| 1999 | 209 |
| 2000 | 232 |
| 2001 | 274 |
| 2002 | 339 |
| 2003 | 447 |
| 2004 | 561 |
| 2005 | 720 |
| 2006 | 779 |
| 2007 | 887 |
| 2008 | 1071 |
| 2009 | 1281 |
| 2010 | 1451 |
| 2011 | 1725 |
| 2012 | 2203 |
| 2013 | 2616 |
| 2014 | 2889 |
| 2015 | 3257 |
| 2016 | 3417 |
| 2017 | 3961 |
| 2018 | 4412 |
| 2019 | 5285 |
| 2020 | 6569 |
| 2021 | 7488 |
| 2022 | 9067 |
| 2023 | 8967 |
| 2024 | 4340 |
| 2025 | 1 |