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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 4 |
| 1956 | 2 |
| 1957 | 1 |
| 1959 | 1 |
| 1964 | 2 |
| 1965 | 2 |
| 1966 | 1 |
| 1968 | 3 |
| 1969 | 3 |
| 1970 | 1 |
| 1971 | 4 |
| 1972 | 5 |
| 1973 | 5 |
| 1974 | 7 |
| 1975 | 3 |
| 1976 | 4 |
| 1977 | 2 |
| 1978 | 9 |
| 1979 | 14 |
| 1980 | 13 |
| 1981 | 21 |
| 1982 | 28 |
| 1983 | 29 |
| 1984 | 21 |
| 1985 | 35 |
| 1986 | 48 |
| 1987 | 60 |
| 1988 | 73 |
| 1989 | 73 |
| 1990 | 68 |
| 1991 | 102 |
| 1992 | 105 |
| 1993 | 128 |
| 1994 | 129 |
| 1995 | 146 |
| 1996 | 175 |
| 1997 | 287 |
| 1998 | 308 |
| 1999 | 405 |
| 2000 | 570 |
| 2001 | 656 |
| 2002 | 748 |
| 2003 | 798 |
| 2004 | 1019 |
| 2005 | 1332 |
| 2006 | 1448 |
| 2007 | 1614 |
| 2008 | 1863 |
| 2009 | 2051 |
| 2010 | 2228 |
| 2011 | 2491 |
| 2012 | 2736 |
| 2013 | 3245 |
| 2014 | 3768 |
| 2015 | 4129 |
| 2016 | 4152 |
| 2017 | 4723 |
| 2018 | 5413 |
| 2019 | 6229 |
| 2020 | 7222 |
| 2021 | 8465 |
| 2022 | 9621 |
| 2023 | 9653 |
| 2024 | 3382 |