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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 3 |
| 1965 | 10 |
| 1966 | 26 |
| 1967 | 45 |
| 1968 | 40 |
| 1969 | 66 |
| 1970 | 60 |
| 1971 | 55 |
| 1972 | 54 |
| 1973 | 64 |
| 1974 | 92 |
| 1975 | 52 |
| 1976 | 52 |
| 1977 | 68 |
| 1978 | 48 |
| 1979 | 45 |
| 1980 | 79 |
| 1981 | 57 |
| 1982 | 52 |
| 1983 | 50 |
| 1984 | 89 |
| 1985 | 97 |
| 1986 | 93 |
| 1987 | 109 |
| 1988 | 114 |
| 1989 | 125 |
| 1990 | 144 |
| 1991 | 164 |
| 1992 | 157 |
| 1993 | 218 |
| 1994 | 290 |
| 1995 | 288 |
| 1996 | 333 |
| 1997 | 347 |
| 1998 | 350 |
| 1999 | 329 |
| 2000 | 368 |
| 2001 | 356 |
| 2002 | 410 |
| 2003 | 542 |
| 2004 | 517 |
| 2005 | 621 |
| 2006 | 652 |
| 2007 | 795 |
| 2008 | 886 |
| 2009 | 935 |
| 2010 | 1098 |
| 2011 | 1209 |
| 2012 | 1159 |
| 2013 | 1165 |
| 2014 | 1201 |
| 2015 | 1085 |
| 2016 | 1049 |
| 2017 | 1095 |
| 2018 | 1043 |
| 2019 | 1088 |
| 2020 | 1121 |
| 2021 | 1067 |
| 2022 | 895 |
| 2023 | 745 |
| 2024 | 222 |