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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 3 |
| 1949 | 1 |
| 1965 | 1 |
| 1966 | 9 |
| 1967 | 20 |
| 1968 | 21 |
| 1969 | 31 |
| 1970 | 20 |
| 1971 | 43 |
| 1972 | 46 |
| 1973 | 32 |
| 1974 | 54 |
| 1975 | 39 |
| 1976 | 28 |
| 1977 | 38 |
| 1978 | 43 |
| 1979 | 42 |
| 1980 | 28 |
| 1981 | 26 |
| 1982 | 43 |
| 1983 | 50 |
| 1984 | 48 |
| 1985 | 54 |
| 1986 | 43 |
| 1987 | 53 |
| 1988 | 53 |
| 1989 | 72 |
| 1990 | 68 |
| 1991 | 84 |
| 1992 | 77 |
| 1993 | 94 |
| 1994 | 86 |
| 1995 | 80 |
| 1996 | 133 |
| 1997 | 99 |
| 1998 | 113 |
| 1999 | 132 |
| 2000 | 156 |
| 2001 | 145 |
| 2002 | 140 |
| 2003 | 183 |
| 2004 | 210 |
| 2005 | 255 |
| 2006 | 271 |
| 2007 | 314 |
| 2008 | 370 |
| 2009 | 417 |
| 2010 | 480 |
| 2011 | 456 |
| 2012 | 557 |
| 2013 | 564 |
| 2014 | 498 |
| 2015 | 536 |
| 2016 | 582 |
| 2017 | 560 |
| 2018 | 519 |
| 2019 | 581 |
| 2020 | 550 |
| 2021 | 385 |
| 2022 | 46 |
| 2023 | 17 |
| 2024 | 71 |