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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1953 | 1 |
| 1954 | 3 |
| 1956 | 4 |
| 1957 | 1 |
| 1958 | 4 |
| 1959 | 7 |
| 1960 | 2 |
| 1961 | 10 |
| 1962 | 21 |
| 1963 | 16 |
| 1964 | 16 |
| 1965 | 30 |
| 1966 | 32 |
| 1967 | 28 |
| 1968 | 33 |
| 1969 | 42 |
| 1970 | 38 |
| 1971 | 41 |
| 1972 | 28 |
| 1973 | 31 |
| 1974 | 39 |
| 1975 | 41 |
| 1976 | 36 |
| 1977 | 58 |
| 1978 | 59 |
| 1979 | 60 |
| 1980 | 59 |
| 1981 | 61 |
| 1982 | 56 |
| 1983 | 84 |
| 1984 | 73 |
| 1985 | 105 |
| 1986 | 108 |
| 1987 | 97 |
| 1988 | 126 |
| 1989 | 156 |
| 1990 | 146 |
| 1991 | 169 |
| 1992 | 174 |
| 1993 | 190 |
| 1994 | 221 |
| 1995 | 176 |
| 1996 | 232 |
| 1997 | 205 |
| 1998 | 226 |
| 1999 | 174 |
| 2000 | 203 |
| 2001 | 248 |
| 2002 | 311 |
| 2003 | 286 |
| 2004 | 274 |
| 2005 | 238 |
| 2006 | 286 |
| 2007 | 304 |
| 2008 | 284 |
| 2009 | 317 |
| 2010 | 355 |
| 2011 | 423 |
| 2012 | 418 |
| 2013 | 453 |
| 2014 | 510 |
| 2015 | 522 |
| 2016 | 561 |
| 2017 | 597 |
| 2018 | 617 |
| 2019 | 660 |
| 2020 | 719 |
| 2021 | 833 |
| 2022 | 782 |
| 2023 | 720 |
| 2024 | 548 |