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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1975 | 4 |
| 1976 | 2 |
| 1977 | 2 |
| 1978 | 1 |
| 1980 | 8 |
| 1981 | 9 |
| 1982 | 9 |
| 1983 | 8 |
| 1984 | 11 |
| 1985 | 8 |
| 1986 | 13 |
| 1987 | 65 |
| 1988 | 168 |
| 1989 | 182 |
| 1990 | 234 |
| 1991 | 211 |
| 1992 | 222 |
| 1993 | 237 |
| 1994 | 276 |
| 1995 | 280 |
| 1996 | 275 |
| 1997 | 321 |
| 1998 | 344 |
| 1999 | 346 |
| 2000 | 335 |
| 2001 | 351 |
| 2002 | 388 |
| 2003 | 416 |
| 2004 | 428 |
| 2005 | 479 |
| 2006 | 448 |
| 2007 | 458 |
| 2008 | 448 |
| 2009 | 484 |
| 2010 | 468 |
| 2011 | 534 |
| 2012 | 548 |
| 2013 | 688 |
| 2014 | 1313 |
| 2015 | 1727 |
| 2016 | 1952 |
| 2017 | 2012 |
| 2018 | 2062 |
| 2019 | 2102 |
| 2020 | 2469 |
| 2021 | 2710 |
| 2022 | 2528 |
| 2023 | 2402 |
| 2024 | 2360 |
| 2025 | 1575 |