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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 8 |
| 1965 | 125 |
| 1966 | 226 |
| 1967 | 223 |
| 1968 | 234 |
| 1969 | 206 |
| 1970 | 207 |
| 1971 | 219 |
| 1972 | 205 |
| 1973 | 264 |
| 1974 | 303 |
| 1975 | 377 |
| 1976 | 495 |
| 1977 | 494 |
| 1978 | 530 |
| 1979 | 645 |
| 1980 | 654 |
| 1981 | 724 |
| 1982 | 797 |
| 1983 | 821 |
| 1984 | 831 |
| 1985 | 889 |
| 1986 | 985 |
| 1987 | 1085 |
| 1988 | 1077 |
| 1989 | 1103 |
| 1990 | 1021 |
| 1991 | 1038 |
| 1992 | 900 |
| 1993 | 911 |
| 1994 | 823 |
| 1995 | 888 |
| 1996 | 794 |
| 1997 | 804 |
| 1998 | 905 |
| 1999 | 963 |
| 2000 | 1009 |
| 2001 | 1038 |
| 2002 | 1062 |
| 2003 | 1261 |
| 2004 | 1207 |
| 2005 | 1306 |
| 2006 | 1326 |
| 2007 | 1311 |
| 2008 | 1516 |
| 2009 | 1484 |
| 2010 | 1556 |
| 2011 | 1494 |
| 2012 | 1656 |
| 2013 | 1667 |
| 2014 | 1803 |
| 2015 | 1628 |
| 2016 | 1507 |
| 2017 | 1385 |
| 2018 | 1261 |
| 2019 | 1267 |
| 2020 | 1594 |
| 2021 | 1830 |
| 2022 | 1923 |
| 2023 | 1820 |
| 2024 | 1714 |
| 2025 | 987 |