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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 3 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 5 |
| 1971 | 25 |
| 1972 | 18 |
| 1973 | 29 |
| 1974 | 31 |
| 1975 | 38 |
| 1976 | 92 |
| 1977 | 94 |
| 1978 | 63 |
| 1979 | 110 |
| 1980 | 125 |
| 1981 | 151 |
| 1982 | 191 |
| 1983 | 138 |
| 1984 | 173 |
| 1985 | 180 |
| 1986 | 157 |
| 1987 | 158 |
| 1988 | 184 |
| 1989 | 214 |
| 1990 | 188 |
| 1991 | 286 |
| 1992 | 359 |
| 1993 | 402 |
| 1994 | 437 |
| 1995 | 528 |
| 1996 | 514 |
| 1997 | 560 |
| 1998 | 556 |
| 1999 | 611 |
| 2000 | 567 |
| 2001 | 678 |
| 2002 | 677 |
| 2003 | 677 |
| 2004 | 694 |
| 2005 | 733 |
| 2006 | 753 |
| 2007 | 832 |
| 2008 | 908 |
| 2009 | 1035 |
| 2010 | 952 |
| 2011 | 983 |
| 2012 | 992 |
| 2013 | 960 |
| 2014 | 949 |
| 2015 | 909 |
| 2016 | 935 |
| 2017 | 887 |
| 2018 | 856 |
| 2019 | 797 |
| 2020 | 622 |
| 2021 | 424 |
| 2022 | 135 |
| 2023 | 96 |
| 2024 | 40 |