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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 9 |
| 1965 | 75 |
| 1966 | 132 |
| 1967 | 159 |
| 1968 | 166 |
| 1969 | 130 |
| 1970 | 156 |
| 1971 | 145 |
| 1972 | 123 |
| 1973 | 142 |
| 1974 | 136 |
| 1975 | 154 |
| 1976 | 141 |
| 1977 | 154 |
| 1978 | 152 |
| 1979 | 133 |
| 1980 | 123 |
| 1981 | 146 |
| 1982 | 141 |
| 1983 | 140 |
| 1984 | 148 |
| 1985 | 161 |
| 1986 | 165 |
| 1987 | 150 |
| 1988 | 150 |
| 1989 | 225 |
| 1990 | 200 |
| 1991 | 214 |
| 1992 | 218 |
| 1993 | 233 |
| 1994 | 290 |
| 1995 | 285 |
| 1996 | 338 |
| 1997 | 292 |
| 1998 | 331 |
| 1999 | 377 |
| 2000 | 379 |
| 2001 | 394 |
| 2002 | 514 |
| 2003 | 502 |
| 2004 | 591 |
| 2005 | 572 |
| 2006 | 647 |
| 2007 | 706 |
| 2008 | 762 |
| 2009 | 624 |
| 2010 | 700 |
| 2011 | 694 |
| 2012 | 737 |
| 2013 | 761 |
| 2014 | 668 |
| 2015 | 675 |
| 2016 | 672 |
| 2017 | 644 |
| 2018 | 635 |
| 2019 | 604 |
| 2020 | 755 |
| 2021 | 888 |
| 2022 | 818 |
| 2023 | 744 |
| 2024 | 702 |
| 2025 | 753 |
| 2026 | 570 |