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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 2 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1968 | 1 |
| 1970 | 3 |
| 1971 | 7 |
| 1972 | 82 |
| 1973 | 349 |
| 1974 | 571 |
| 1975 | 772 |
| 1976 | 567 |
| 1977 | 366 |
| 1978 | 412 |
| 1979 | 537 |
| 1980 | 808 |
| 1981 | 1230 |
| 1982 | 1500 |
| 1983 | 1900 |
| 1984 | 1958 |
| 1985 | 1762 |
| 1986 | 1705 |
| 1987 | 912 |
| 1988 | 1114 |
| 1989 | 1529 |
| 1990 | 1798 |
| 1991 | 2185 |
| 1992 | 2156 |
| 1993 | 1550 |
| 1994 | 1246 |
| 1995 | 1275 |
| 1996 | 1256 |
| 1997 | 1469 |
| 1998 | 1649 |
| 1999 | 1726 |
| 2000 | 2028 |
| 2001 | 2286 |
| 2002 | 2660 |
| 2003 | 2689 |
| 2004 | 2716 |
| 2005 | 2511 |
| 2006 | 1900 |
| 2007 | 1814 |
| 2008 | 1647 |
| 2009 | 1637 |
| 2010 | 1576 |
| 2011 | 1681 |
| 2012 | 1735 |
| 2013 | 1713 |
| 2014 | 1710 |
| 2015 | 1638 |
| 2016 | 1240 |
| 2017 | 1180 |
| 2018 | 1123 |
| 2019 | 1105 |
| 2020 | 1025 |
| 2021 | 883 |
| 2022 | 459 |
| 2023 | 290 |
| 2024 | 122 |