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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 2 |
| 1964 | 14 |
| 1965 | 88 |
| 1966 | 152 |
| 1967 | 207 |
| 1968 | 239 |
| 1969 | 267 |
| 1970 | 306 |
| 1971 | 315 |
| 1972 | 317 |
| 1973 | 425 |
| 1974 | 469 |
| 1975 | 416 |
| 1976 | 371 |
| 1977 | 385 |
| 1978 | 366 |
| 1979 | 470 |
| 1980 | 387 |
| 1981 | 423 |
| 1982 | 474 |
| 1983 | 536 |
| 1984 | 521 |
| 1985 | 517 |
| 1986 | 587 |
| 1987 | 534 |
| 1988 | 603 |
| 1989 | 575 |
| 1990 | 639 |
| 1991 | 672 |
| 1992 | 600 |
| 1993 | 641 |
| 1994 | 589 |
| 1995 | 578 |
| 1996 | 532 |
| 1997 | 547 |
| 1998 | 612 |
| 1999 | 690 |
| 2000 | 622 |
| 2001 | 670 |
| 2002 | 723 |
| 2003 | 846 |
| 2004 | 993 |
| 2005 | 942 |
| 2006 | 960 |
| 2007 | 1003 |
| 2008 | 1042 |
| 2009 | 959 |
| 2010 | 966 |
| 2011 | 969 |
| 2012 | 1000 |
| 2013 | 971 |
| 2014 | 987 |
| 2015 | 924 |
| 2016 | 927 |
| 2017 | 908 |
| 2018 | 858 |
| 2019 | 900 |
| 2020 | 872 |
| 2021 | 786 |
| 2022 | 751 |
| 2023 | 680 |
| 2024 | 748 |
| 2025 | 2 |