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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1953 | 5 |
| 1954 | 6 |
| 1956 | 5 |
| 1957 | 13 |
| 1958 | 10 |
| 1959 | 13 |
| 1960 | 16 |
| 1961 | 9 |
| 1962 | 6 |
| 1964 | 1 |
| 1965 | 16 |
| 1966 | 50 |
| 1967 | 70 |
| 1968 | 98 |
| 1969 | 102 |
| 1970 | 127 |
| 1971 | 101 |
| 1972 | 132 |
| 1973 | 121 |
| 1974 | 144 |
| 1975 | 161 |
| 1976 | 131 |
| 1977 | 174 |
| 1978 | 139 |
| 1979 | 145 |
| 1980 | 160 |
| 1981 | 117 |
| 1982 | 149 |
| 1983 | 131 |
| 1984 | 147 |
| 1985 | 165 |
| 1986 | 169 |
| 1987 | 163 |
| 1988 | 170 |
| 1989 | 200 |
| 1990 | 204 |
| 1991 | 184 |
| 1992 | 193 |
| 1993 | 206 |
| 1994 | 166 |
| 1995 | 197 |
| 1996 | 235 |
| 1997 | 284 |
| 1998 | 312 |
| 1999 | 312 |
| 2000 | 305 |
| 2001 | 351 |
| 2002 | 351 |
| 2003 | 351 |
| 2004 | 401 |
| 2005 | 385 |
| 2006 | 433 |
| 2007 | 460 |
| 2008 | 460 |
| 2009 | 455 |
| 2010 | 508 |
| 2011 | 604 |
| 2012 | 592 |
| 2013 | 611 |
| 2014 | 620 |
| 2015 | 590 |
| 2016 | 753 |
| 2017 | 779 |
| 2018 | 830 |
| 2019 | 777 |
| 2020 | 911 |
| 2021 | 943 |
| 2022 | 695 |
| 2023 | 648 |
| 2024 | 253 |