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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 2 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1971 | 2 |
| 1973 | 1 |
| 1975 | 7 |
| 1977 | 44 |
| 1978 | 295 |
| 1979 | 476 |
| 1980 | 445 |
| 1981 | 572 |
| 1982 | 604 |
| 1983 | 771 |
| 1984 | 670 |
| 1985 | 708 |
| 1986 | 697 |
| 1987 | 734 |
| 1988 | 721 |
| 1989 | 894 |
| 1990 | 826 |
| 1991 | 870 |
| 1992 | 1010 |
| 1993 | 1015 |
| 1994 | 940 |
| 1995 | 932 |
| 1996 | 882 |
| 1997 | 898 |
| 1998 | 801 |
| 1999 | 867 |
| 2000 | 788 |
| 2001 | 836 |
| 2002 | 1010 |
| 2003 | 1440 |
| 2004 | 1453 |
| 2005 | 1707 |
| 2006 | 1729 |
| 2007 | 1643 |
| 2008 | 1735 |
| 2009 | 1911 |
| 2010 | 2591 |
| 2011 | 3183 |
| 2012 | 3568 |
| 2013 | 3370 |
| 2014 | 3315 |
| 2015 | 3299 |
| 2016 | 3033 |
| 2017 | 2815 |
| 2018 | 2672 |
| 2019 | 2916 |
| 2020 | 2705 |
| 2021 | 2307 |
| 2022 | 1316 |
| 2023 | 1109 |
| 2024 | 368 |