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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1966 | 9 |
| 1967 | 13 |
| 1968 | 18 |
| 1969 | 28 |
| 1970 | 12 |
| 1971 | 14 |
| 1972 | 12 |
| 1973 | 31 |
| 1974 | 14 |
| 1975 | 23 |
| 1976 | 30 |
| 1977 | 24 |
| 1978 | 44 |
| 1979 | 40 |
| 1980 | 40 |
| 1981 | 39 |
| 1982 | 59 |
| 1983 | 52 |
| 1984 | 60 |
| 1985 | 66 |
| 1986 | 48 |
| 1987 | 81 |
| 1988 | 100 |
| 1989 | 139 |
| 1990 | 176 |
| 1991 | 233 |
| 1992 | 334 |
| 1993 | 323 |
| 1994 | 447 |
| 1995 | 482 |
| 1996 | 494 |
| 1997 | 584 |
| 1998 | 657 |
| 1999 | 693 |
| 2000 | 772 |
| 2001 | 814 |
| 2002 | 834 |
| 2003 | 882 |
| 2004 | 842 |
| 2005 | 1014 |
| 2006 | 1191 |
| 2007 | 1283 |
| 2008 | 1391 |
| 2009 | 1493 |
| 2010 | 1577 |
| 2011 | 1652 |
| 2012 | 1747 |
| 2013 | 1893 |
| 2014 | 1949 |
| 2015 | 2001 |
| 2016 | 1895 |
| 2017 | 1736 |
| 2018 | 1733 |
| 2019 | 1675 |
| 2020 | 1573 |
| 2021 | 1244 |
| 2022 | 344 |
| 2023 | 97 |
| 2024 | 148 |