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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 14 |
| 1960 | 2 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 3 |
| 1969 | 1 |
| 1970 | 9 |
| 1972 | 3 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 4 |
| 1976 | 2 |
| 1977 | 13 |
| 1978 | 5 |
| 1979 | 68 |
| 1980 | 72 |
| 1981 | 88 |
| 1982 | 72 |
| 1983 | 115 |
| 1984 | 115 |
| 1985 | 115 |
| 1986 | 126 |
| 1987 | 108 |
| 1988 | 109 |
| 1989 | 121 |
| 1990 | 119 |
| 1991 | 133 |
| 1992 | 131 |
| 1993 | 40 |
| 1994 | 45 |
| 1995 | 53 |
| 1996 | 42 |
| 1997 | 57 |
| 1998 | 74 |
| 1999 | 87 |
| 2000 | 112 |
| 2001 | 280 |
| 2002 | 303 |
| 2003 | 353 |
| 2004 | 430 |
| 2005 | 861 |
| 2006 | 1033 |
| 2007 | 1383 |
| 2008 | 1570 |
| 2009 | 1686 |
| 2010 | 1712 |
| 2011 | 1945 |
| 2012 | 2170 |
| 2013 | 2561 |
| 2014 | 2958 |
| 2015 | 3135 |
| 2016 | 3047 |
| 2017 | 3240 |
| 2018 | 3550 |
| 2019 | 3580 |
| 2020 | 4033 |
| 2021 | 4352 |
| 2022 | 4848 |
| 2023 | 5171 |
| 2024 | 1843 |