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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1963 | 1 |
| 1972 | 14 |
| 1973 | 37 |
| 1974 | 84 |
| 1975 | 77 |
| 1976 | 128 |
| 1977 | 142 |
| 1978 | 198 |
| 1979 | 227 |
| 1980 | 303 |
| 1981 | 346 |
| 1982 | 380 |
| 1983 | 353 |
| 1984 | 368 |
| 1985 | 416 |
| 1986 | 383 |
| 1987 | 433 |
| 1988 | 384 |
| 1989 | 319 |
| 1990 | 323 |
| 1991 | 273 |
| 1992 | 307 |
| 1993 | 273 |
| 1994 | 286 |
| 1995 | 300 |
| 1996 | 310 |
| 1997 | 309 |
| 1998 | 274 |
| 1999 | 255 |
| 2000 | 312 |
| 2001 | 289 |
| 2002 | 351 |
| 2003 | 460 |
| 2004 | 489 |
| 2005 | 532 |
| 2006 | 563 |
| 2007 | 603 |
| 2008 | 634 |
| 2009 | 690 |
| 2010 | 831 |
| 2011 | 826 |
| 2012 | 792 |
| 2013 | 849 |
| 2014 | 873 |
| 2015 | 833 |
| 2016 | 932 |
| 2017 | 871 |
| 2018 | 791 |
| 2019 | 779 |
| 2020 | 737 |
| 2021 | 775 |
| 2022 | 667 |
| 2023 | 706 |
| 2024 | 368 |