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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 5 |
| 1951 | 1 |
| 1952 | 1 |
| 1956 | 2 |
| 1957 | 7 |
| 1958 | 9 |
| 1959 | 6 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 4 |
| 1964 | 9 |
| 1965 | 64 |
| 1966 | 213 |
| 1967 | 188 |
| 1968 | 118 |
| 1969 | 123 |
| 1970 | 85 |
| 1971 | 83 |
| 1972 | 87 |
| 1973 | 109 |
| 1974 | 95 |
| 1975 | 141 |
| 1976 | 174 |
| 1977 | 121 |
| 1978 | 261 |
| 1979 | 266 |
| 1980 | 283 |
| 1981 | 253 |
| 1982 | 398 |
| 1983 | 584 |
| 1984 | 641 |
| 1985 | 875 |
| 1986 | 857 |
| 1987 | 960 |
| 1988 | 1132 |
| 1989 | 1205 |
| 1990 | 1109 |
| 1991 | 1214 |
| 1992 | 1103 |
| 1993 | 1041 |
| 1994 | 935 |
| 1995 | 1420 |
| 1996 | 1259 |
| 1997 | 1712 |
| 1998 | 2065 |
| 1999 | 1901 |
| 2000 | 1684 |
| 2001 | 1505 |
| 2002 | 1423 |
| 2003 | 1491 |
| 2004 | 1660 |
| 2005 | 1851 |
| 2006 | 1804 |
| 2007 | 1782 |
| 2008 | 2077 |
| 2009 | 1860 |
| 2010 | 2199 |
| 2011 | 2602 |
| 2012 | 2704 |
| 2013 | 2999 |
| 2014 | 3177 |
| 2015 | 3335 |
| 2016 | 3691 |
| 2017 | 3769 |
| 2018 | 3967 |
| 2019 | 4005 |
| 2020 | 4315 |
| 2021 | 4411 |
| 2022 | 4105 |
| 2023 | 4028 |
| 2024 | 4083 |
| 2025 | 1910 |