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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 1 |
| 1971 | 5 |
| 1972 | 1 |
| 1973 | 3 |
| 1974 | 41 |
| 1975 | 75 |
| 1976 | 103 |
| 1977 | 84 |
| 1978 | 97 |
| 1979 | 116 |
| 1980 | 107 |
| 1981 | 117 |
| 1982 | 152 |
| 1983 | 202 |
| 1984 | 283 |
| 1985 | 232 |
| 1986 | 247 |
| 1987 | 190 |
| 1988 | 205 |
| 1989 | 192 |
| 1990 | 225 |
| 1991 | 237 |
| 1992 | 284 |
| 1993 | 305 |
| 1994 | 299 |
| 1995 | 250 |
| 1996 | 326 |
| 1997 | 341 |
| 1998 | 392 |
| 1999 | 419 |
| 2000 | 461 |
| 2001 | 431 |
| 2002 | 495 |
| 2003 | 541 |
| 2004 | 573 |
| 2005 | 616 |
| 2006 | 634 |
| 2007 | 702 |
| 2008 | 855 |
| 2009 | 877 |
| 2010 | 1010 |
| 2011 | 1238 |
| 2012 | 1128 |
| 2013 | 1280 |
| 2014 | 1344 |
| 2015 | 1387 |
| 2016 | 1360 |
| 2017 | 1381 |
| 2018 | 1399 |
| 2019 | 1287 |
| 2020 | 1181 |
| 2021 | 774 |
| 2022 | 751 |
| 2023 | 756 |
| 2024 | 1585 |
| 2025 | 871 |