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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 3 |
| 1958 | 1 |
| 1959 | 5 |
| 1960 | 7 |
| 1961 | 10 |
| 1962 | 7 |
| 1963 | 14 |
| 1964 | 65 |
| 1965 | 112 |
| 1966 | 240 |
| 1967 | 444 |
| 1968 | 590 |
| 1969 | 678 |
| 1970 | 739 |
| 1971 | 783 |
| 1972 | 846 |
| 1973 | 927 |
| 1974 | 903 |
| 1975 | 815 |
| 1976 | 701 |
| 1977 | 683 |
| 1978 | 680 |
| 1979 | 615 |
| 1980 | 717 |
| 1981 | 677 |
| 1982 | 670 |
| 1983 | 689 |
| 1984 | 724 |
| 1985 | 713 |
| 1986 | 652 |
| 1987 | 703 |
| 1988 | 637 |
| 1989 | 836 |
| 1990 | 1172 |
| 1991 | 1248 |
| 1992 | 1410 |
| 1993 | 1646 |
| 1994 | 1790 |
| 1995 | 2016 |
| 1996 | 2157 |
| 1997 | 2430 |
| 1998 | 2463 |
| 1999 | 2534 |
| 2000 | 2544 |
| 2001 | 2484 |
| 2002 | 2588 |
| 2003 | 2885 |
| 2004 | 2507 |
| 2005 | 2651 |
| 2006 | 2872 |
| 2007 | 3114 |
| 2008 | 3083 |
| 2009 | 2753 |
| 2010 | 2777 |
| 2011 | 2700 |
| 2012 | 2896 |
| 2013 | 2457 |
| 2014 | 2297 |
| 2015 | 2173 |
| 2016 | 1795 |
| 2017 | 1706 |
| 2018 | 1542 |
| 2019 | 1224 |
| 2020 | 866 |
| 2021 | 801 |
| 2022 | 138 |
| 2023 | 15 |
| 2024 | 1 |