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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1962 | 4 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 5 |
| 1966 | 15 |
| 1967 | 27 |
| 1968 | 9 |
| 1969 | 11 |
| 1970 | 17 |
| 1971 | 50 |
| 1972 | 95 |
| 1973 | 169 |
| 1974 | 167 |
| 1975 | 173 |
| 1976 | 139 |
| 1977 | 169 |
| 1978 | 237 |
| 1979 | 213 |
| 1980 | 204 |
| 1981 | 273 |
| 1982 | 572 |
| 1983 | 783 |
| 1984 | 920 |
| 1985 | 1196 |
| 1986 | 1316 |
| 1987 | 1422 |
| 1988 | 1865 |
| 1989 | 2112 |
| 1990 | 2426 |
| 1991 | 2504 |
| 1992 | 2498 |
| 1993 | 2801 |
| 1994 | 2892 |
| 1995 | 2862 |
| 1996 | 3121 |
| 1997 | 3513 |
| 1998 | 3666 |
| 1999 | 3472 |
| 2000 | 3992 |
| 2001 | 4301 |
| 2002 | 4592 |
| 2003 | 4830 |
| 2004 | 5737 |
| 2005 | 6705 |
| 2006 | 7852 |
| 2007 | 9181 |
| 2008 | 11005 |
| 2009 | 11975 |
| 2010 | 12417 |
| 2011 | 12699 |
| 2012 | 13182 |
| 2013 | 14324 |
| 2014 | 13307 |
| 2015 | 12712 |
| 2016 | 10836 |
| 2017 | 10100 |
| 2018 | 9463 |
| 2019 | 9159 |
| 2020 | 7566 |
| 2021 | 5342 |
| 2022 | 3612 |
| 2023 | 2896 |
| 2024 | 4327 |
| 2025 | 6 |