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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 2 |
| 1956 | 2 |
| 1957 | 2 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 2 |
| 1965 | 4 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 11 |
| 1970 | 56 |
| 1971 | 56 |
| 1972 | 49 |
| 1973 | 41 |
| 1974 | 61 |
| 1975 | 74 |
| 1976 | 53 |
| 1977 | 67 |
| 1978 | 56 |
| 1979 | 45 |
| 1980 | 34 |
| 1981 | 34 |
| 1982 | 32 |
| 1983 | 38 |
| 1984 | 51 |
| 1985 | 67 |
| 1986 | 66 |
| 1987 | 57 |
| 1988 | 63 |
| 1989 | 65 |
| 1990 | 92 |
| 1991 | 101 |
| 1992 | 103 |
| 1993 | 112 |
| 1994 | 139 |
| 1995 | 205 |
| 1996 | 188 |
| 1997 | 189 |
| 1998 | 203 |
| 1999 | 196 |
| 2000 | 163 |
| 2001 | 219 |
| 2002 | 247 |
| 2003 | 245 |
| 2004 | 278 |
| 2005 | 257 |
| 2006 | 302 |
| 2007 | 321 |
| 2008 | 362 |
| 2009 | 402 |
| 2010 | 488 |
| 2011 | 658 |
| 2012 | 839 |
| 2013 | 1167 |
| 2014 | 1321 |
| 2015 | 1576 |
| 2016 | 1795 |
| 2017 | 2047 |
| 2018 | 2296 |
| 2019 | 2414 |
| 2020 | 2363 |
| 2021 | 1940 |
| 2022 | 1441 |
| 2023 | 1248 |
| 2024 | 639 |