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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 3 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 2 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 3 |
| 1986 | 4 |
| 1987 | 12 |
| 1988 | 37 |
| 1989 | 37 |
| 1990 | 83 |
| 1991 | 58 |
| 1992 | 61 |
| 1993 | 72 |
| 1994 | 58 |
| 1995 | 86 |
| 1996 | 92 |
| 1997 | 80 |
| 1998 | 106 |
| 1999 | 96 |
| 2000 | 118 |
| 2001 | 138 |
| 2002 | 137 |
| 2003 | 131 |
| 2004 | 150 |
| 2005 | 141 |
| 2006 | 193 |
| 2007 | 175 |
| 2008 | 206 |
| 2009 | 196 |
| 2010 | 207 |
| 2011 | 217 |
| 2012 | 198 |
| 2013 | 266 |
| 2014 | 389 |
| 2015 | 420 |
| 2016 | 488 |
| 2017 | 469 |
| 2018 | 497 |
| 2019 | 559 |
| 2020 | 608 |
| 2021 | 697 |
| 2022 | 588 |
| 2023 | 534 |
| 2024 | 182 |