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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 2 |
| 1964 | 3 |
| 1965 | 28 |
| 1966 | 70 |
| 1967 | 68 |
| 1968 | 77 |
| 1969 | 112 |
| 1970 | 103 |
| 1971 | 133 |
| 1972 | 149 |
| 1973 | 209 |
| 1974 | 267 |
| 1975 | 243 |
| 1976 | 285 |
| 1977 | 404 |
| 1978 | 393 |
| 1979 | 298 |
| 1980 | 256 |
| 1981 | 298 |
| 1982 | 350 |
| 1983 | 370 |
| 1984 | 306 |
| 1985 | 370 |
| 1986 | 433 |
| 1987 | 451 |
| 1988 | 551 |
| 1989 | 701 |
| 1990 | 796 |
| 1991 | 839 |
| 1992 | 894 |
| 1993 | 1010 |
| 1994 | 1071 |
| 1995 | 1133 |
| 1996 | 1286 |
| 1997 | 1333 |
| 1998 | 1541 |
| 1999 | 1482 |
| 2000 | 1879 |
| 2001 | 1794 |
| 2002 | 1783 |
| 2003 | 1701 |
| 2004 | 1877 |
| 2005 | 2077 |
| 2006 | 2309 |
| 2007 | 2381 |
| 2008 | 2293 |
| 2009 | 2129 |
| 2010 | 2159 |
| 2011 | 2344 |
| 2012 | 2431 |
| 2013 | 2348 |
| 2014 | 2155 |
| 2015 | 2104 |
| 2016 | 1777 |
| 2017 | 1655 |
| 2018 | 1596 |
| 2019 | 1297 |
| 2020 | 1076 |
| 2021 | 861 |
| 2022 | 154 |
| 2023 | 59 |
| 2024 | 27 |