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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1958 | 1 |
| 1959 | 2 |
| 1961 | 4 |
| 1962 | 19 |
| 1963 | 47 |
| 1964 | 106 |
| 1965 | 144 |
| 1966 | 118 |
| 1967 | 174 |
| 1968 | 261 |
| 1969 | 301 |
| 1970 | 403 |
| 1971 | 423 |
| 1972 | 447 |
| 1973 | 557 |
| 1974 | 630 |
| 1975 | 647 |
| 1976 | 524 |
| 1977 | 562 |
| 1978 | 550 |
| 1979 | 672 |
| 1980 | 583 |
| 1981 | 674 |
| 1982 | 829 |
| 1983 | 748 |
| 1984 | 782 |
| 1985 | 828 |
| 1986 | 808 |
| 1987 | 755 |
| 1988 | 761 |
| 1989 | 855 |
| 1990 | 824 |
| 1991 | 769 |
| 1992 | 765 |
| 1993 | 747 |
| 1994 | 764 |
| 1995 | 774 |
| 1996 | 777 |
| 1997 | 786 |
| 1998 | 918 |
| 1999 | 778 |
| 2000 | 813 |
| 2001 | 867 |
| 2002 | 899 |
| 2003 | 832 |
| 2004 | 902 |
| 2005 | 1015 |
| 2006 | 973 |
| 2007 | 1065 |
| 2008 | 1037 |
| 2009 | 1035 |
| 2010 | 1050 |
| 2011 | 1137 |
| 2012 | 1229 |
| 2013 | 1320 |
| 2014 | 1298 |
| 2015 | 1352 |
| 2016 | 1452 |
| 2017 | 1496 |
| 2018 | 1469 |
| 2019 | 1552 |
| 2020 | 1802 |
| 2021 | 1764 |
| 2022 | 1949 |
| 2023 | 1865 |
| 2024 | 1746 |
| 2025 | 1934 |
| 2026 | 745 |