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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1960 | 1 |
| 1962 | 5 |
| 1963 | 6 |
| 1964 | 57 |
| 1965 | 1097 |
| 1966 | 1132 |
| 1967 | 1128 |
| 1968 | 1292 |
| 1969 | 1450 |
| 1970 | 1519 |
| 1971 | 1475 |
| 1972 | 1841 |
| 1973 | 2087 |
| 1974 | 2459 |
| 1975 | 2932 |
| 1976 | 2966 |
| 1977 | 3000 |
| 1978 | 3238 |
| 1979 | 2825 |
| 1980 | 2641 |
| 1981 | 3135 |
| 1982 | 3305 |
| 1983 | 3862 |
| 1984 | 4058 |
| 1985 | 4468 |
| 1986 | 4885 |
| 1987 | 4851 |
| 1988 | 4874 |
| 1989 | 5489 |
| 1990 | 4211 |
| 1991 | 1380 |
| 1992 | 1717 |
| 1993 | 2492 |
| 1994 | 3818 |
| 1995 | 4171 |
| 1996 | 4269 |
| 1997 | 4736 |
| 1998 | 5421 |
| 1999 | 6403 |
| 2000 | 6988 |
| 2001 | 8693 |
| 2002 | 10114 |
| 2003 | 11506 |
| 2004 | 12052 |
| 2005 | 11965 |
| 2006 | 12306 |
| 2007 | 11623 |
| 2008 | 13024 |
| 2009 | 14084 |
| 2010 | 14334 |
| 2011 | 14194 |
| 2012 | 13573 |
| 2013 | 13946 |
| 2014 | 13255 |
| 2015 | 13737 |
| 2016 | 14088 |
| 2017 | 13882 |
| 2018 | 14855 |
| 2019 | 16474 |
| 2020 | 16838 |
| 2021 | 13868 |
| 2022 | 10535 |
| 2023 | 9609 |
| 2024 | 15201 |
| 2025 | 9025 |
| 2026 | 1 |