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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 34 |
| 1966 | 86 |
| 1967 | 86 |
| 1968 | 102 |
| 1969 | 110 |
| 1970 | 157 |
| 1971 | 143 |
| 1972 | 160 |
| 1973 | 123 |
| 1974 | 159 |
| 1975 | 157 |
| 1976 | 149 |
| 1977 | 183 |
| 1978 | 189 |
| 1979 | 190 |
| 1980 | 241 |
| 1981 | 263 |
| 1982 | 318 |
| 1983 | 323 |
| 1984 | 399 |
| 1985 | 485 |
| 1986 | 495 |
| 1987 | 519 |
| 1988 | 676 |
| 1989 | 755 |
| 1990 | 812 |
| 1991 | 903 |
| 1992 | 1003 |
| 1993 | 1344 |
| 1994 | 1536 |
| 1995 | 1679 |
| 1996 | 1859 |
| 1997 | 1903 |
| 1998 | 1858 |
| 1999 | 1772 |
| 2000 | 1875 |
| 2001 | 1943 |
| 2002 | 1916 |
| 2003 | 1813 |
| 2004 | 1975 |
| 2005 | 2153 |
| 2006 | 2034 |
| 2007 | 1856 |
| 2008 | 1888 |
| 2009 | 1716 |
| 2010 | 1701 |
| 2011 | 1806 |
| 2012 | 1671 |
| 2013 | 1522 |
| 2014 | 1463 |
| 2015 | 1526 |
| 2016 | 1201 |
| 2017 | 947 |
| 2018 | 910 |
| 2019 | 764 |
| 2020 | 700 |
| 2021 | 513 |
| 2022 | 115 |
| 2023 | 11 |
| 2024 | 3 |