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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 3 |
| 1974 | 11 |
| 1975 | 57 |
| 1976 | 68 |
| 1977 | 79 |
| 1978 | 95 |
| 1979 | 77 |
| 1980 | 88 |
| 1981 | 72 |
| 1982 | 89 |
| 1983 | 115 |
| 1984 | 117 |
| 1985 | 110 |
| 1986 | 110 |
| 1987 | 148 |
| 1988 | 145 |
| 1989 | 250 |
| 1990 | 316 |
| 1991 | 314 |
| 1992 | 324 |
| 1993 | 396 |
| 1994 | 486 |
| 1995 | 360 |
| 1996 | 379 |
| 1997 | 498 |
| 1998 | 556 |
| 1999 | 574 |
| 2000 | 605 |
| 2001 | 651 |
| 2002 | 662 |
| 2003 | 634 |
| 2004 | 980 |
| 2005 | 1156 |
| 2006 | 1381 |
| 2007 | 1494 |
| 2008 | 1637 |
| 2009 | 1869 |
| 2010 | 1958 |
| 2011 | 2228 |
| 2012 | 2286 |
| 2013 | 2582 |
| 2014 | 2469 |
| 2015 | 2529 |
| 2016 | 2380 |
| 2017 | 2319 |
| 2018 | 2545 |
| 2019 | 2449 |
| 2020 | 1523 |
| 2021 | 714 |
| 2022 | 550 |
| 2023 | 495 |
| 2024 | 195 |