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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 3 |
| 1968 | 3 |
| 1971 | 3 |
| 1972 | 2 |
| 1973 | 22 |
| 1974 | 161 |
| 1975 | 366 |
| 1976 | 449 |
| 1977 | 622 |
| 1978 | 703 |
| 1979 | 759 |
| 1980 | 1162 |
| 1981 | 1185 |
| 1982 | 1071 |
| 1983 | 1147 |
| 1984 | 1703 |
| 1985 | 726 |
| 1986 | 787 |
| 1987 | 857 |
| 1988 | 766 |
| 1989 | 853 |
| 1990 | 1326 |
| 1991 | 1352 |
| 1992 | 1009 |
| 1993 | 863 |
| 1994 | 1176 |
| 1995 | 1104 |
| 1996 | 1198 |
| 1997 | 1339 |
| 1998 | 1442 |
| 1999 | 1699 |
| 2000 | 2122 |
| 2001 | 2432 |
| 2002 | 2350 |
| 2003 | 2467 |
| 2004 | 3040 |
| 2005 | 3751 |
| 2006 | 4298 |
| 2007 | 4422 |
| 2008 | 4383 |
| 2009 | 4419 |
| 2010 | 4871 |
| 2011 | 5282 |
| 2012 | 5288 |
| 2013 | 4885 |
| 2014 | 4939 |
| 2015 | 4841 |
| 2016 | 4303 |
| 2017 | 4102 |
| 2018 | 4216 |
| 2019 | 3979 |
| 2020 | 3236 |
| 2021 | 2542 |
| 2022 | 3692 |
| 2023 | 3448 |
| 2024 | 3750 |
| 2025 | 126 |