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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 9 |
| 1967 | 19 |
| 1968 | 9 |
| 1970 | 5 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 1 |
| 1976 | 2 |
| 1977 | 4 |
| 1979 | 3 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 1 |
| 1984 | 3 |
| 1985 | 5 |
| 1986 | 16 |
| 1987 | 16 |
| 1988 | 13 |
| 1989 | 118 |
| 1990 | 442 |
| 1991 | 391 |
| 1992 | 429 |
| 1993 | 389 |
| 1994 | 397 |
| 1995 | 433 |
| 1996 | 441 |
| 1997 | 442 |
| 1998 | 566 |
| 1999 | 558 |
| 2000 | 608 |
| 2001 | 657 |
| 2002 | 685 |
| 2003 | 766 |
| 2004 | 836 |
| 2005 | 1039 |
| 2006 | 1101 |
| 2007 | 1233 |
| 2008 | 1128 |
| 2009 | 1100 |
| 2010 | 1073 |
| 2011 | 1100 |
| 2012 | 1165 |
| 2013 | 1171 |
| 2014 | 1188 |
| 2015 | 1064 |
| 2016 | 994 |
| 2017 | 980 |
| 2018 | 945 |
| 2019 | 940 |
| 2020 | 828 |
| 2021 | 655 |
| 2022 | 565 |
| 2023 | 507 |
| 2024 | 1004 |
| 2025 | 877 |