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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 3 |
| 1953 | 3 |
| 1954 | 4 |
| 1955 | 2 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 4 |
| 1965 | 1 |
| 1966 | 20 |
| 1967 | 53 |
| 1968 | 79 |
| 1969 | 94 |
| 1970 | 85 |
| 1971 | 63 |
| 1972 | 106 |
| 1973 | 97 |
| 1974 | 91 |
| 1975 | 76 |
| 1976 | 80 |
| 1977 | 72 |
| 1978 | 73 |
| 1979 | 79 |
| 1980 | 80 |
| 1981 | 85 |
| 1982 | 85 |
| 1983 | 102 |
| 1984 | 113 |
| 1985 | 89 |
| 1986 | 108 |
| 1987 | 101 |
| 1988 | 79 |
| 1989 | 81 |
| 1990 | 101 |
| 1991 | 119 |
| 1992 | 147 |
| 1993 | 192 |
| 1994 | 133 |
| 1995 | 122 |
| 1996 | 179 |
| 1997 | 131 |
| 1998 | 162 |
| 1999 | 137 |
| 2000 | 127 |
| 2001 | 148 |
| 2002 | 153 |
| 2003 | 143 |
| 2004 | 195 |
| 2005 | 166 |
| 2006 | 168 |
| 2007 | 230 |
| 2008 | 232 |
| 2009 | 288 |
| 2010 | 358 |
| 2011 | 319 |
| 2012 | 363 |
| 2013 | 382 |
| 2014 | 352 |
| 2015 | 365 |
| 2016 | 480 |
| 2017 | 453 |
| 2018 | 450 |
| 2019 | 495 |
| 2020 | 556 |
| 2021 | 643 |
| 2022 | 450 |
| 2023 | 377 |
| 2024 | 197 |