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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 2 |
| 1958 | 2 |
| 1962 | 1 |
| 1963 | 1 |
| 1967 | 2 |
| 1968 | 1 |
| 1970 | 2 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 4 |
| 1976 | 5 |
| 1977 | 4 |
| 1978 | 6 |
| 1979 | 11 |
| 1980 | 4 |
| 1981 | 6 |
| 1982 | 10 |
| 1983 | 6 |
| 1984 | 11 |
| 1985 | 8 |
| 1986 | 18 |
| 1987 | 15 |
| 1988 | 17 |
| 1989 | 23 |
| 1990 | 11 |
| 1991 | 26 |
| 1992 | 26 |
| 1993 | 40 |
| 1994 | 45 |
| 1995 | 47 |
| 1996 | 81 |
| 1997 | 82 |
| 1998 | 96 |
| 1999 | 128 |
| 2000 | 169 |
| 2001 | 171 |
| 2002 | 183 |
| 2003 | 212 |
| 2004 | 248 |
| 2005 | 282 |
| 2006 | 332 |
| 2007 | 371 |
| 2008 | 396 |
| 2009 | 468 |
| 2010 | 546 |
| 2011 | 624 |
| 2012 | 608 |
| 2013 | 616 |
| 2014 | 636 |
| 2015 | 640 |
| 2016 | 688 |
| 2017 | 709 |
| 2018 | 694 |
| 2019 | 751 |
| 2020 | 790 |
| 2021 | 839 |
| 2022 | 818 |
| 2023 | 71 |