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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 1 |
| 1958 | 3 |
| 1959 | 1 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 1 |
| 1981 | 2 |
| 1982 | 4 |
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 3 |
| 1986 | 3 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 8 |
| 1990 | 11 |
| 1991 | 19 |
| 1992 | 27 |
| 1993 | 49 |
| 1994 | 81 |
| 1995 | 188 |
| 1996 | 281 |
| 1997 | 428 |
| 1998 | 608 |
| 1999 | 847 |
| 2000 | 1161 |
| 2001 | 1356 |
| 2002 | 1618 |
| 2003 | 1889 |
| 2004 | 2213 |
| 2005 | 2465 |
| 2006 | 2691 |
| 2007 | 3033 |
| 2008 | 3192 |
| 2009 | 3503 |
| 2010 | 3630 |
| 2011 | 3834 |
| 2012 | 3990 |
| 2013 | 3927 |
| 2014 | 3916 |
| 2015 | 3986 |
| 2016 | 3605 |
| 2017 | 3215 |
| 2018 | 3033 |
| 2019 | 2976 |
| 2020 | 3150 |
| 2021 | 3093 |
| 2022 | 3470 |
| 2023 | 2972 |
| 2024 | 1145 |