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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1949 | 1 |
| 1953 | 2 |
| 1964 | 1 |
| 1966 | 4 |
| 1967 | 6 |
| 1968 | 17 |
| 1969 | 12 |
| 1970 | 14 |
| 1971 | 22 |
| 1972 | 45 |
| 1973 | 79 |
| 1974 | 153 |
| 1975 | 207 |
| 1976 | 231 |
| 1977 | 347 |
| 1978 | 485 |
| 1979 | 642 |
| 1980 | 724 |
| 1981 | 671 |
| 1982 | 732 |
| 1983 | 859 |
| 1984 | 916 |
| 1985 | 938 |
| 1986 | 1020 |
| 1987 | 875 |
| 1988 | 983 |
| 1989 | 1279 |
| 1990 | 1436 |
| 1991 | 1320 |
| 1992 | 1347 |
| 1993 | 1407 |
| 1994 | 1578 |
| 1995 | 1698 |
| 1996 | 1856 |
| 1997 | 2123 |
| 1998 | 2128 |
| 1999 | 2333 |
| 2000 | 2287 |
| 2001 | 2497 |
| 2002 | 2687 |
| 2003 | 3036 |
| 2004 | 3280 |
| 2005 | 3651 |
| 2006 | 3858 |
| 2007 | 3926 |
| 2008 | 4040 |
| 2009 | 4049 |
| 2010 | 4114 |
| 2011 | 4090 |
| 2012 | 4051 |
| 2013 | 4135 |
| 2014 | 4214 |
| 2015 | 4081 |
| 2016 | 3952 |
| 2017 | 3899 |
| 2018 | 4084 |
| 2019 | 4013 |
| 2020 | 3609 |
| 2021 | 2423 |
| 2022 | 1854 |
| 2023 | 1804 |
| 2024 | 1129 |