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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1971 | 5 |
| 1972 | 1 |
| 1973 | 3 |
| 1974 | 42 |
| 1975 | 79 |
| 1976 | 105 |
| 1977 | 91 |
| 1978 | 117 |
| 1979 | 133 |
| 1980 | 127 |
| 1981 | 129 |
| 1982 | 178 |
| 1983 | 224 |
| 1984 | 293 |
| 1985 | 247 |
| 1986 | 266 |
| 1987 | 217 |
| 1988 | 228 |
| 1989 | 229 |
| 1990 | 269 |
| 1991 | 300 |
| 1992 | 318 |
| 1993 | 338 |
| 1994 | 336 |
| 1995 | 274 |
| 1996 | 358 |
| 1997 | 389 |
| 1998 | 561 |
| 1999 | 718 |
| 2000 | 834 |
| 2001 | 753 |
| 2002 | 715 |
| 2003 | 787 |
| 2004 | 868 |
| 2005 | 826 |
| 2006 | 873 |
| 2007 | 904 |
| 2008 | 1065 |
| 2009 | 1083 |
| 2010 | 1252 |
| 2011 | 1465 |
| 2012 | 1351 |
| 2013 | 1526 |
| 2014 | 1556 |
| 2015 | 1609 |
| 2016 | 1567 |
| 2017 | 1579 |
| 2018 | 1591 |
| 2019 | 1468 |
| 2020 | 1338 |
| 2021 | 855 |
| 2022 | 772 |
| 2023 | 799 |
| 2024 | 1697 |
| 2025 | 1841 |
| 2026 | 595 |