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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 1 |
| 1956 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1971 | 3 |
| 1972 | 14 |
| 1973 | 36 |
| 1974 | 45 |
| 1975 | 44 |
| 1976 | 45 |
| 1977 | 58 |
| 1978 | 55 |
| 1979 | 55 |
| 1980 | 70 |
| 1981 | 60 |
| 1982 | 83 |
| 1983 | 80 |
| 1984 | 115 |
| 1985 | 108 |
| 1986 | 112 |
| 1987 | 169 |
| 1988 | 214 |
| 1989 | 260 |
| 1990 | 337 |
| 1991 | 433 |
| 1992 | 510 |
| 1993 | 669 |
| 1994 | 828 |
| 1995 | 795 |
| 1996 | 929 |
| 1997 | 1011 |
| 1998 | 996 |
| 1999 | 959 |
| 2000 | 1101 |
| 2001 | 1176 |
| 2002 | 1356 |
| 2003 | 1491 |
| 2004 | 1756 |
| 2005 | 1940 |
| 2006 | 2092 |
| 2007 | 2114 |
| 2008 | 2266 |
| 2009 | 2281 |
| 2010 | 2367 |
| 2011 | 2469 |
| 2012 | 2457 |
| 2013 | 2427 |
| 2014 | 2430 |
| 2015 | 2309 |
| 2016 | 2072 |
| 2017 | 2063 |
| 2018 | 1925 |
| 2019 | 2017 |
| 2020 | 1817 |
| 2021 | 1673 |
| 2022 | 1172 |
| 2023 | 1012 |
| 2024 | 271 |