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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1956 | 1 |
| 1958 | 1 |
| 1961 | 4 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 9 |
| 1965 | 12 |
| 1966 | 3 |
| 1967 | 3 |
| 1968 | 2 |
| 1971 | 2 |
| 1972 | 7 |
| 1973 | 30 |
| 1974 | 268 |
| 1975 | 676 |
| 1976 | 607 |
| 1977 | 700 |
| 1978 | 780 |
| 1979 | 840 |
| 1980 | 982 |
| 1981 | 924 |
| 1982 | 907 |
| 1983 | 1042 |
| 1984 | 1066 |
| 1985 | 1206 |
| 1986 | 1119 |
| 1987 | 1034 |
| 1988 | 899 |
| 1989 | 986 |
| 1990 | 901 |
| 1991 | 944 |
| 1992 | 790 |
| 1993 | 765 |
| 1994 | 680 |
| 1995 | 660 |
| 1996 | 614 |
| 1997 | 622 |
| 1998 | 518 |
| 1999 | 552 |
| 2000 | 585 |
| 2001 | 575 |
| 2002 | 560 |
| 2003 | 535 |
| 2004 | 592 |
| 2005 | 642 |
| 2006 | 634 |
| 2007 | 672 |
| 2008 | 688 |
| 2009 | 691 |
| 2010 | 696 |
| 2011 | 738 |
| 2012 | 757 |
| 2013 | 753 |
| 2014 | 735 |
| 2015 | 708 |
| 2016 | 680 |
| 2017 | 609 |
| 2018 | 571 |
| 2019 | 552 |
| 2020 | 506 |
| 2021 | 398 |
| 2022 | 301 |
| 2023 | 220 |
| 2024 | 80 |