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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 5 |
| 1956 | 2 |
| 1957 | 8 |
| 1958 | 11 |
| 1959 | 10 |
| 1960 | 11 |
| 1961 | 12 |
| 1962 | 12 |
| 1963 | 20 |
| 1964 | 17 |
| 1965 | 18 |
| 1966 | 5 |
| 1967 | 2 |
| 1968 | 2 |
| 1969 | 12 |
| 1970 | 91 |
| 1971 | 98 |
| 1972 | 101 |
| 1973 | 114 |
| 1974 | 123 |
| 1975 | 105 |
| 1976 | 105 |
| 1977 | 128 |
| 1978 | 155 |
| 1979 | 158 |
| 1980 | 184 |
| 1981 | 186 |
| 1982 | 207 |
| 1983 | 255 |
| 1984 | 248 |
| 1985 | 273 |
| 1986 | 320 |
| 1987 | 345 |
| 1988 | 484 |
| 1989 | 534 |
| 1990 | 750 |
| 1991 | 767 |
| 1992 | 722 |
| 1993 | 818 |
| 1994 | 909 |
| 1995 | 929 |
| 1996 | 952 |
| 1997 | 947 |
| 1998 | 980 |
| 1999 | 992 |
| 2000 | 1120 |
| 2001 | 1116 |
| 2002 | 1112 |
| 2003 | 1206 |
| 2004 | 1363 |
| 2005 | 1448 |
| 2006 | 1485 |
| 2007 | 1597 |
| 2008 | 1640 |
| 2009 | 1569 |
| 2010 | 1701 |
| 2011 | 1770 |
| 2012 | 1836 |
| 2013 | 1913 |
| 2014 | 1873 |
| 2015 | 1784 |
| 2016 | 1823 |
| 2017 | 1828 |
| 2018 | 1874 |
| 2019 | 1862 |
| 2020 | 1990 |
| 2021 | 1829 |
| 2022 | 1222 |
| 2023 | 1074 |
| 2024 | 418 |