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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1953 | 1 |
| 1954 | 3 |
| 1957 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1963 | 3 |
| 1964 | 2 |
| 1965 | 3 |
| 1966 | 7 |
| 1967 | 1 |
| 1972 | 12 |
| 1973 | 6 |
| 1974 | 23 |
| 1975 | 166 |
| 1976 | 281 |
| 1977 | 297 |
| 1978 | 554 |
| 1979 | 698 |
| 1980 | 575 |
| 1981 | 528 |
| 1982 | 546 |
| 1983 | 582 |
| 1984 | 565 |
| 1985 | 530 |
| 1986 | 622 |
| 1987 | 566 |
| 1988 | 646 |
| 1989 | 737 |
| 1990 | 856 |
| 1991 | 1000 |
| 1992 | 1093 |
| 1993 | 1372 |
| 1994 | 1529 |
| 1995 | 1500 |
| 1996 | 1889 |
| 1997 | 2260 |
| 1998 | 2416 |
| 1999 | 2537 |
| 2000 | 2510 |
| 2001 | 2964 |
| 2002 | 3171 |
| 2003 | 3378 |
| 2004 | 3941 |
| 2005 | 4218 |
| 2006 | 4852 |
| 2007 | 5216 |
| 2008 | 5359 |
| 2009 | 5388 |
| 2010 | 5737 |
| 2011 | 5477 |
| 2012 | 5958 |
| 2013 | 6019 |
| 2014 | 6417 |
| 2015 | 6894 |
| 2016 | 6501 |
| 2017 | 6374 |
| 2018 | 6327 |
| 2019 | 5920 |
| 2020 | 5492 |
| 2021 | 4561 |
| 2022 | 3438 |
| 2023 | 2853 |
| 2024 | 892 |
| 2025 | 1 |