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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 31 |
| 1966 | 50 |
| 1967 | 41 |
| 1968 | 39 |
| 1969 | 58 |
| 1970 | 32 |
| 1971 | 29 |
| 1972 | 46 |
| 1973 | 49 |
| 1974 | 27 |
| 1975 | 33 |
| 1976 | 47 |
| 1977 | 45 |
| 1978 | 51 |
| 1979 | 46 |
| 1980 | 53 |
| 1981 | 46 |
| 1982 | 49 |
| 1983 | 50 |
| 1984 | 38 |
| 1985 | 49 |
| 1986 | 61 |
| 1987 | 46 |
| 1988 | 64 |
| 1989 | 59 |
| 1990 | 59 |
| 1991 | 90 |
| 1992 | 72 |
| 1993 | 92 |
| 1994 | 111 |
| 1995 | 169 |
| 1996 | 178 |
| 1997 | 275 |
| 1998 | 367 |
| 1999 | 469 |
| 2000 | 673 |
| 2001 | 746 |
| 2002 | 962 |
| 2003 | 985 |
| 2004 | 1124 |
| 2005 | 1288 |
| 2006 | 1254 |
| 2007 | 1271 |
| 2008 | 1295 |
| 2009 | 1416 |
| 2010 | 1523 |
| 2011 | 1804 |
| 2012 | 1863 |
| 2013 | 2044 |
| 2014 | 2288 |
| 2015 | 2366 |
| 2016 | 2053 |
| 2017 | 1999 |
| 2018 | 1941 |
| 2019 | 1817 |
| 2020 | 1827 |
| 2021 | 1848 |
| 2022 | 1495 |
| 2023 | 1254 |
| 2024 | 389 |