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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1961 | 1 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 3 |
| 1970 | 1 |
| 1972 | 1 |
| 1973 | 8 |
| 1974 | 14 |
| 1975 | 19 |
| 1976 | 46 |
| 1977 | 25 |
| 1978 | 22 |
| 1979 | 19 |
| 1980 | 19 |
| 1981 | 14 |
| 1982 | 20 |
| 1983 | 30 |
| 1984 | 39 |
| 1985 | 38 |
| 1986 | 37 |
| 1987 | 41 |
| 1988 | 73 |
| 1989 | 368 |
| 1990 | 846 |
| 1991 | 967 |
| 1992 | 960 |
| 1993 | 1140 |
| 1994 | 1137 |
| 1995 | 1020 |
| 1996 | 1026 |
| 1997 | 935 |
| 1998 | 1042 |
| 1999 | 1318 |
| 2000 | 1375 |
| 2001 | 1562 |
| 2002 | 1608 |
| 2003 | 1667 |
| 2004 | 1704 |
| 2005 | 1754 |
| 2006 | 2182 |
| 2007 | 2469 |
| 2008 | 2504 |
| 2009 | 2713 |
| 2010 | 2922 |
| 2011 | 3304 |
| 2012 | 3583 |
| 2013 | 3823 |
| 2014 | 4413 |
| 2015 | 4595 |
| 2016 | 4318 |
| 2017 | 4395 |
| 2018 | 4682 |
| 2019 | 5208 |
| 2020 | 6147 |
| 2021 | 6557 |
| 2022 | 6659 |
| 2023 | 5656 |
| 2024 | 6473 |
| 2025 | 4273 |
| 2026 | 1 |