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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 | 44 |
| 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 | 936 |
| 1986 | 1020 |
| 1987 | 874 |
| 1988 | 981 |
| 1989 | 1279 |
| 1990 | 1436 |
| 1991 | 1320 |
| 1992 | 1347 |
| 1993 | 1407 |
| 1994 | 1578 |
| 1995 | 1698 |
| 1996 | 1855 |
| 1997 | 2123 |
| 1998 | 2127 |
| 1999 | 2331 |
| 2000 | 2274 |
| 2001 | 2447 |
| 2002 | 2348 |
| 2003 | 2619 |
| 2004 | 2814 |
| 2005 | 3254 |
| 2006 | 3502 |
| 2007 | 3623 |
| 2008 | 3737 |
| 2009 | 3691 |
| 2010 | 3577 |
| 2011 | 3460 |
| 2012 | 3351 |
| 2013 | 3376 |
| 2014 | 3348 |
| 2015 | 3206 |
| 2016 | 3072 |
| 2017 | 2925 |
| 2018 | 2978 |
| 2019 | 2802 |
| 2020 | 2069 |
| 2021 | 964 |
| 2022 | 330 |
| 2023 | 284 |
| 2024 | 115 |