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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 6 |
| 1955 | 1 |
| 1964 | 10 |
| 1965 | 31 |
| 1966 | 59 |
| 1967 | 103 |
| 1968 | 93 |
| 1969 | 128 |
| 1970 | 107 |
| 1971 | 136 |
| 1972 | 138 |
| 1973 | 168 |
| 1974 | 218 |
| 1975 | 166 |
| 1976 | 190 |
| 1977 | 214 |
| 1978 | 168 |
| 1979 | 197 |
| 1980 | 300 |
| 1981 | 246 |
| 1982 | 225 |
| 1983 | 266 |
| 1984 | 337 |
| 1985 | 384 |
| 1986 | 374 |
| 1987 | 466 |
| 1988 | 476 |
| 1989 | 426 |
| 1990 | 513 |
| 1991 | 554 |
| 1992 | 536 |
| 1993 | 690 |
| 1994 | 844 |
| 1995 | 883 |
| 1996 | 1030 |
| 1997 | 1099 |
| 1998 | 1116 |
| 1999 | 1192 |
| 2000 | 1420 |
| 2001 | 1415 |
| 2002 | 1600 |
| 2003 | 1941 |
| 2004 | 2008 |
| 2005 | 2336 |
| 2006 | 2352 |
| 2007 | 2730 |
| 2008 | 2855 |
| 2009 | 3022 |
| 2010 | 3319 |
| 2011 | 3582 |
| 2012 | 3686 |
| 2013 | 3924 |
| 2014 | 4082 |
| 2015 | 3926 |
| 2016 | 3837 |
| 2017 | 3745 |
| 2018 | 3562 |
| 2019 | 3722 |
| 2020 | 3852 |
| 2021 | 3889 |
| 2022 | 3157 |
| 2023 | 2962 |
| 2024 | 3614 |
| 2025 | 3112 |
| 2026 | 43 |