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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 2 |
| 1955 | 5 |
| 1956 | 11 |
| 1957 | 5 |
| 1958 | 13 |
| 1959 | 9 |
| 1960 | 3 |
| 1961 | 2 |
| 1962 | 4 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 8 |
| 1966 | 39 |
| 1967 | 104 |
| 1968 | 86 |
| 1969 | 1 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 1 |
| 1976 | 7 |
| 1977 | 5 |
| 1978 | 1 |
| 1983 | 3 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 5 |
| 1987 | 11 |
| 1988 | 12 |
| 1989 | 226 |
| 1990 | 700 |
| 1991 | 727 |
| 1992 | 737 |
| 1993 | 771 |
| 1994 | 756 |
| 1995 | 685 |
| 1996 | 729 |
| 1997 | 752 |
| 1998 | 1195 |
| 1999 | 1107 |
| 2000 | 1514 |
| 2001 | 1827 |
| 2002 | 2507 |
| 2003 | 2767 |
| 2004 | 3035 |
| 2005 | 2894 |
| 2006 | 2942 |
| 2007 | 2870 |
| 2008 | 2815 |
| 2009 | 2786 |
| 2010 | 2693 |
| 2011 | 2759 |
| 2012 | 2559 |
| 2013 | 2310 |
| 2014 | 2137 |
| 2015 | 2141 |
| 2016 | 1911 |
| 2017 | 1789 |
| 2018 | 1756 |
| 2019 | 1635 |
| 2020 | 1513 |
| 2021 | 1167 |
| 2022 | 510 |
| 2023 | 350 |
| 2024 | 248 |