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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1951 | 3 |
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 2 |
| 1955 | 2 |
| 1957 | 3 |
| 1959 | 2 |
| 1961 | 2 |
| 1962 | 1 |
| 1964 | 1 |
| 1975 | 16 |
| 1976 | 22 |
| 1977 | 45 |
| 1978 | 30 |
| 1979 | 52 |
| 1980 | 110 |
| 1981 | 124 |
| 1982 | 146 |
| 1983 | 158 |
| 1984 | 171 |
| 1985 | 170 |
| 1986 | 149 |
| 1987 | 148 |
| 1988 | 163 |
| 1989 | 215 |
| 1990 | 239 |
| 1991 | 300 |
| 1992 | 375 |
| 1993 | 523 |
| 1994 | 629 |
| 1995 | 796 |
| 1996 | 1048 |
| 1997 | 1362 |
| 1998 | 1486 |
| 1999 | 1821 |
| 2000 | 2087 |
| 2001 | 2393 |
| 2002 | 2464 |
| 2003 | 2663 |
| 2004 | 2849 |
| 2005 | 3233 |
| 2006 | 3442 |
| 2007 | 3543 |
| 2008 | 3781 |
| 2009 | 3966 |
| 2010 | 4058 |
| 2011 | 4364 |
| 2012 | 4637 |
| 2013 | 4480 |
| 2014 | 4494 |
| 2015 | 4537 |
| 2016 | 3994 |
| 2017 | 3720 |
| 2018 | 3501 |
| 2019 | 3403 |
| 2020 | 3324 |
| 2021 | 3004 |
| 2022 | 2699 |
| 2023 | 2050 |
| 2024 | 865 |