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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1962 | 5 |
| 1963 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1974 | 4 |
| 1975 | 2 |
| 1976 | 5 |
| 1978 | 6 |
| 1979 | 111 |
| 1980 | 195 |
| 1981 | 208 |
| 1982 | 256 |
| 1983 | 247 |
| 1984 | 268 |
| 1985 | 218 |
| 1986 | 283 |
| 1987 | 265 |
| 1988 | 309 |
| 1989 | 332 |
| 1990 | 422 |
| 1991 | 476 |
| 1992 | 554 |
| 1993 | 666 |
| 1994 | 827 |
| 1995 | 793 |
| 1996 | 825 |
| 1997 | 948 |
| 1998 | 1055 |
| 1999 | 1157 |
| 2000 | 1351 |
| 2001 | 1463 |
| 2002 | 1531 |
| 2003 | 1697 |
| 2004 | 1842 |
| 2005 | 2040 |
| 2006 | 2273 |
| 2007 | 2374 |
| 2008 | 2678 |
| 2009 | 2552 |
| 2010 | 2665 |
| 2011 | 2833 |
| 2012 | 2787 |
| 2013 | 2993 |
| 2014 | 2883 |
| 2015 | 3065 |
| 2016 | 2845 |
| 2017 | 2753 |
| 2018 | 2747 |
| 2019 | 2920 |
| 2020 | 2683 |
| 2021 | 1602 |
| 2022 | 607 |
| 2023 | 617 |
| 2024 | 3046 |
| 2025 | 6 |