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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 33 |
| 1967 | 24 |
| 1968 | 25 |
| 1969 | 27 |
| 1970 | 40 |
| 1971 | 55 |
| 1972 | 51 |
| 1973 | 100 |
| 1974 | 100 |
| 1975 | 73 |
| 1976 | 60 |
| 1977 | 65 |
| 1978 | 57 |
| 1979 | 53 |
| 1980 | 104 |
| 1981 | 74 |
| 1982 | 76 |
| 1983 | 85 |
| 1984 | 110 |
| 1985 | 80 |
| 1986 | 86 |
| 1987 | 133 |
| 1988 | 184 |
| 1989 | 209 |
| 1990 | 251 |
| 1991 | 254 |
| 1992 | 255 |
| 1993 | 209 |
| 1994 | 211 |
| 1995 | 229 |
| 1996 | 297 |
| 1997 | 327 |
| 1998 | 331 |
| 1999 | 301 |
| 2000 | 431 |
| 2001 | 508 |
| 2002 | 557 |
| 2003 | 554 |
| 2004 | 584 |
| 2005 | 735 |
| 2006 | 750 |
| 2007 | 800 |
| 2008 | 747 |
| 2009 | 709 |
| 2010 | 665 |
| 2011 | 762 |
| 2012 | 794 |
| 2013 | 867 |
| 2014 | 931 |
| 2015 | 1235 |
| 2016 | 1141 |
| 2017 | 1004 |
| 2018 | 977 |
| 2019 | 951 |
| 2020 | 905 |
| 2021 | 873 |
| 2022 | 865 |
| 2023 | 819 |
| 2024 | 411 |