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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 3 |
| 1960 | 3 |
| 1963 | 4 |
| 1964 | 50 |
| 1965 | 73 |
| 1966 | 98 |
| 1967 | 120 |
| 1968 | 157 |
| 1969 | 131 |
| 1970 | 139 |
| 1971 | 192 |
| 1972 | 239 |
| 1973 | 276 |
| 1974 | 363 |
| 1975 | 449 |
| 1976 | 515 |
| 1977 | 496 |
| 1978 | 640 |
| 1979 | 651 |
| 1980 | 853 |
| 1981 | 810 |
| 1982 | 809 |
| 1983 | 898 |
| 1984 | 870 |
| 1985 | 1027 |
| 1986 | 958 |
| 1987 | 927 |
| 1988 | 837 |
| 1989 | 964 |
| 1990 | 1004 |
| 1991 | 941 |
| 1992 | 861 |
| 1993 | 915 |
| 1994 | 823 |
| 1995 | 809 |
| 1996 | 728 |
| 1997 | 715 |
| 1998 | 642 |
| 1999 | 654 |
| 2000 | 616 |
| 2001 | 608 |
| 2002 | 545 |
| 2003 | 537 |
| 2004 | 499 |
| 2005 | 494 |
| 2006 | 511 |
| 2007 | 554 |
| 2008 | 517 |
| 2009 | 481 |
| 2010 | 481 |
| 2011 | 470 |
| 2012 | 504 |
| 2013 | 435 |
| 2014 | 411 |
| 2015 | 433 |
| 2016 | 390 |
| 2017 | 376 |
| 2018 | 321 |
| 2019 | 349 |
| 2020 | 342 |
| 2021 | 306 |
| 2022 | 297 |
| 2023 | 245 |
| 2024 | 98 |