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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 3 |
| 1958 | 6 |
| 1959 | 9 |
| 1960 | 4 |
| 1961 | 11 |
| 1962 | 12 |
| 1963 | 1 |
| 1965 | 31 |
| 1966 | 78 |
| 1967 | 113 |
| 1968 | 135 |
| 1969 | 169 |
| 1970 | 164 |
| 1971 | 227 |
| 1972 | 229 |
| 1973 | 228 |
| 1974 | 281 |
| 1975 | 268 |
| 1976 | 239 |
| 1977 | 223 |
| 1978 | 231 |
| 1979 | 239 |
| 1980 | 242 |
| 1981 | 246 |
| 1982 | 250 |
| 1983 | 344 |
| 1984 | 426 |
| 1985 | 430 |
| 1986 | 458 |
| 1987 | 507 |
| 1988 | 479 |
| 1989 | 588 |
| 1990 | 575 |
| 1991 | 617 |
| 1992 | 594 |
| 1993 | 672 |
| 1994 | 697 |
| 1995 | 789 |
| 1996 | 767 |
| 1997 | 739 |
| 1998 | 854 |
| 1999 | 821 |
| 2000 | 911 |
| 2001 | 990 |
| 2002 | 1066 |
| 2003 | 1151 |
| 2004 | 1353 |
| 2005 | 1403 |
| 2006 | 1512 |
| 2007 | 1636 |
| 2008 | 1720 |
| 2009 | 1752 |
| 2010 | 2004 |
| 2011 | 2292 |
| 2012 | 2479 |
| 2013 | 2803 |
| 2014 | 3108 |
| 2015 | 3256 |
| 2016 | 3034 |
| 2017 | 3160 |
| 2018 | 3346 |
| 2019 | 3361 |
| 2020 | 3186 |
| 2021 | 2793 |
| 2022 | 3347 |
| 2023 | 2931 |
| 2024 | 881 |