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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 118 |
| 1961 | 221 |
| 1962 | 309 |
| 1963 | 255 |
| 1964 | 305 |
| 1965 | 453 |
| 1966 | 490 |
| 1967 | 556 |
| 1968 | 611 |
| 1969 | 591 |
| 1970 | 824 |
| 1971 | 863 |
| 1972 | 1020 |
| 1973 | 1146 |
| 1974 | 1104 |
| 1975 | 1126 |
| 1976 | 1156 |
| 1977 | 1117 |
| 1978 | 1160 |
| 1979 | 1167 |
| 1980 | 1337 |
| 1981 | 1177 |
| 1982 | 1357 |
| 1983 | 1240 |
| 1984 | 1312 |
| 1985 | 1396 |
| 1986 | 1443 |
| 1987 | 1506 |
| 1988 | 1623 |
| 1989 | 1638 |
| 1990 | 1587 |
| 1991 | 1725 |
| 1992 | 1707 |
| 1993 | 1640 |
| 1994 | 1865 |
| 1995 | 1869 |
| 1996 | 1828 |
| 1997 | 1917 |
| 1998 | 1886 |
| 1999 | 1824 |
| 2000 | 2084 |
| 2001 | 1968 |
| 2002 | 1925 |
| 2003 | 2123 |
| 2004 | 2341 |
| 2005 | 2729 |
| 2006 | 2746 |
| 2007 | 2674 |
| 2008 | 2404 |
| 2009 | 2294 |
| 2010 | 2137 |
| 2011 | 1962 |
| 2012 | 2032 |
| 2013 | 1881 |
| 2014 | 1998 |
| 2015 | 2099 |
| 2016 | 2138 |
| 2017 | 2479 |
| 2018 | 2846 |
| 2019 | 2326 |
| 2020 | 2252 |
| 2021 | 1664 |
| 2022 | 1575 |
| 2023 | 243 |