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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1952 | 1 |
| 1963 | 2 |
| 1966 | 4 |
| 1967 | 1 |
| 1968 | 5 |
| 1969 | 6 |
| 1970 | 4 |
| 1971 | 1 |
| 1972 | 7 |
| 1973 | 14 |
| 1974 | 16 |
| 1975 | 17 |
| 1976 | 16 |
| 1977 | 17 |
| 1978 | 26 |
| 1979 | 23 |
| 1980 | 21 |
| 1981 | 19 |
| 1982 | 19 |
| 1983 | 29 |
| 1984 | 27 |
| 1985 | 40 |
| 1986 | 61 |
| 1987 | 56 |
| 1988 | 40 |
| 1989 | 58 |
| 1990 | 62 |
| 1991 | 71 |
| 1992 | 77 |
| 1993 | 77 |
| 1994 | 82 |
| 1995 | 91 |
| 1996 | 87 |
| 1997 | 102 |
| 1998 | 98 |
| 1999 | 105 |
| 2000 | 145 |
| 2001 | 133 |
| 2002 | 147 |
| 2003 | 172 |
| 2004 | 156 |
| 2005 | 184 |
| 2006 | 240 |
| 2007 | 248 |
| 2008 | 274 |
| 2009 | 284 |
| 2010 | 324 |
| 2011 | 323 |
| 2012 | 386 |
| 2013 | 401 |
| 2014 | 465 |
| 2015 | 425 |
| 2016 | 427 |
| 2017 | 432 |
| 2018 | 468 |
| 2019 | 506 |
| 2020 | 724 |
| 2021 | 724 |
| 2022 | 783 |
| 2023 | 727 |
| 2024 | 362 |