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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 3 |
| 1951 | 3 |
| 1952 | 9 |
| 1953 | 9 |
| 1954 | 5 |
| 1955 | 22 |
| 1956 | 12 |
| 1957 | 16 |
| 1958 | 22 |
| 1959 | 37 |
| 1960 | 35 |
| 1961 | 28 |
| 1962 | 33 |
| 1963 | 55 |
| 1964 | 129 |
| 1965 | 188 |
| 1966 | 288 |
| 1967 | 319 |
| 1968 | 425 |
| 1969 | 450 |
| 1970 | 511 |
| 1971 | 494 |
| 1972 | 517 |
| 1973 | 614 |
| 1974 | 662 |
| 1975 | 542 |
| 1976 | 537 |
| 1977 | 495 |
| 1978 | 498 |
| 1979 | 499 |
| 1980 | 574 |
| 1981 | 548 |
| 1982 | 724 |
| 1983 | 767 |
| 1984 | 867 |
| 1985 | 852 |
| 1986 | 633 |
| 1987 | 265 |
| 1988 | 281 |
| 1989 | 267 |
| 1990 | 307 |
| 1991 | 343 |
| 1992 | 371 |
| 1993 | 375 |
| 1994 | 338 |
| 1995 | 800 |
| 1996 | 1316 |
| 1997 | 1451 |
| 1998 | 1702 |
| 1999 | 1590 |
| 2000 | 1753 |
| 2001 | 1946 |
| 2002 | 1871 |
| 2003 | 2049 |
| 2004 | 1687 |
| 2005 | 2122 |
| 2006 | 2445 |
| 2007 | 2638 |
| 2008 | 2820 |
| 2009 | 3126 |
| 2010 | 3429 |
| 2011 | 3785 |
| 2012 | 3939 |
| 2013 | 4070 |
| 2014 | 4284 |
| 2015 | 4406 |
| 2016 | 4285 |
| 2017 | 4453 |
| 2018 | 4556 |
| 2019 | 4727 |
| 2020 | 5780 |
| 2021 | 5317 |
| 2022 | 4402 |
| 2023 | 3694 |
| 2024 | 1831 |