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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 3 |
| 1953 | 5 |
| 1954 | 7 |
| 1955 | 9 |
| 1956 | 10 |
| 1957 | 11 |
| 1958 | 14 |
| 1959 | 31 |
| 1960 | 26 |
| 1961 | 50 |
| 1962 | 45 |
| 1963 | 6 |
| 1964 | 17 |
| 1965 | 128 |
| 1966 | 254 |
| 1967 | 354 |
| 1968 | 396 |
| 1969 | 446 |
| 1970 | 523 |
| 1971 | 498 |
| 1972 | 564 |
| 1973 | 529 |
| 1974 | 579 |
| 1975 | 580 |
| 1976 | 527 |
| 1977 | 487 |
| 1978 | 479 |
| 1979 | 515 |
| 1980 | 510 |
| 1981 | 549 |
| 1982 | 542 |
| 1983 | 576 |
| 1984 | 587 |
| 1985 | 633 |
| 1986 | 618 |
| 1987 | 557 |
| 1988 | 530 |
| 1989 | 556 |
| 1990 | 577 |
| 1991 | 488 |
| 1992 | 515 |
| 1993 | 477 |
| 1994 | 380 |
| 1995 | 432 |
| 1996 | 411 |
| 1997 | 461 |
| 1998 | 464 |
| 1999 | 500 |
| 2000 | 490 |
| 2001 | 589 |
| 2002 | 623 |
| 2003 | 727 |
| 2004 | 777 |
| 2005 | 957 |
| 2006 | 1079 |
| 2007 | 1235 |
| 2008 | 1355 |
| 2009 | 1356 |
| 2010 | 1499 |
| 2011 | 1794 |
| 2012 | 1935 |
| 2013 | 2239 |
| 2014 | 2187 |
| 2015 | 2227 |
| 2016 | 2125 |
| 2017 | 2168 |
| 2018 | 2137 |
| 2019 | 2092 |
| 2020 | 2034 |
| 2021 | 1805 |
| 2022 | 1539 |
| 2023 | 1226 |
| 2024 | 865 |