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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 2 |
| 1967 | 4 |
| 1968 | 10 |
| 1969 | 9 |
| 1970 | 10 |
| 1971 | 10 |
| 1972 | 9 |
| 1973 | 26 |
| 1974 | 61 |
| 1975 | 142 |
| 1976 | 126 |
| 1977 | 124 |
| 1978 | 173 |
| 1979 | 209 |
| 1980 | 282 |
| 1981 | 294 |
| 1982 | 264 |
| 1983 | 277 |
| 1984 | 289 |
| 1985 | 302 |
| 1986 | 375 |
| 1987 | 440 |
| 1988 | 364 |
| 1989 | 499 |
| 1990 | 680 |
| 1991 | 821 |
| 1992 | 802 |
| 1993 | 634 |
| 1994 | 676 |
| 1995 | 716 |
| 1996 | 773 |
| 1997 | 845 |
| 1998 | 895 |
| 1999 | 957 |
| 2000 | 862 |
| 2001 | 845 |
| 2002 | 762 |
| 2003 | 798 |
| 2004 | 1013 |
| 2005 | 1016 |
| 2006 | 1096 |
| 2007 | 950 |
| 2008 | 918 |
| 2009 | 844 |
| 2010 | 916 |
| 2011 | 667 |
| 2012 | 707 |
| 2013 | 745 |
| 2014 | 958 |
| 2015 | 984 |
| 2016 | 991 |
| 2017 | 663 |
| 2018 | 735 |
| 2019 | 715 |
| 2020 | 620 |
| 2021 | 160 |
| 2022 | 16 |
| 2023 | 34 |
| 2024 | 227 |
| 2025 | 235 |