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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1964 | 1 |
| 1971 | 1 |
| 1974 | 1 |
| 1977 | 2 |
| 1978 | 1 |
| 1980 | 2 |
| 1981 | 5 |
| 1982 | 10 |
| 1983 | 5 |
| 1984 | 5 |
| 1985 | 8 |
| 1986 | 4 |
| 1987 | 8 |
| 1988 | 8 |
| 1989 | 14 |
| 1990 | 16 |
| 1991 | 15 |
| 1992 | 13 |
| 1993 | 19 |
| 1994 | 32 |
| 1995 | 35 |
| 1996 | 44 |
| 1997 | 41 |
| 1998 | 47 |
| 1999 | 48 |
| 2000 | 72 |
| 2001 | 63 |
| 2002 | 87 |
| 2003 | 105 |
| 2004 | 151 |
| 2005 | 207 |
| 2006 | 237 |
| 2007 | 246 |
| 2008 | 321 |
| 2009 | 349 |
| 2010 | 451 |
| 2011 | 476 |
| 2012 | 582 |
| 2013 | 663 |
| 2014 | 667 |
| 2015 | 822 |
| 2016 | 884 |
| 2017 | 1011 |
| 2018 | 1213 |
| 2019 | 1379 |
| 2020 | 1553 |
| 2021 | 1769 |
| 2022 | 2130 |
| 2023 | 2224 |
| 2024 | 1883 |
| 2025 | 1 |