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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 6 |
| 1966 | 13 |
| 1967 | 20 |
| 1968 | 18 |
| 1969 | 16 |
| 1970 | 26 |
| 1971 | 19 |
| 1972 | 24 |
| 1973 | 26 |
| 1974 | 22 |
| 1975 | 35 |
| 1976 | 18 |
| 1977 | 30 |
| 1978 | 36 |
| 1979 | 36 |
| 1980 | 33 |
| 1981 | 37 |
| 1982 | 44 |
| 1983 | 62 |
| 1984 | 71 |
| 1985 | 82 |
| 1986 | 83 |
| 1987 | 86 |
| 1988 | 97 |
| 1989 | 132 |
| 1990 | 95 |
| 1991 | 121 |
| 1992 | 109 |
| 1993 | 123 |
| 1994 | 133 |
| 1995 | 122 |
| 1996 | 149 |
| 1997 | 135 |
| 1998 | 176 |
| 1999 | 160 |
| 2000 | 199 |
| 2001 | 202 |
| 2002 | 232 |
| 2003 | 275 |
| 2004 | 283 |
| 2005 | 289 |
| 2006 | 340 |
| 2007 | 382 |
| 2008 | 485 |
| 2009 | 499 |
| 2010 | 629 |
| 2011 | 690 |
| 2012 | 791 |
| 2013 | 761 |
| 2014 | 802 |
| 2015 | 789 |
| 2016 | 777 |
| 2017 | 793 |
| 2018 | 862 |
| 2019 | 996 |
| 2020 | 1255 |
| 2021 | 1626 |
| 2022 | 1626 |
| 2023 | 1604 |
| 2024 | 911 |