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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1973 | 9 |
| 1974 | 4 |
| 1975 | 13 |
| 1976 | 17 |
| 1977 | 27 |
| 1978 | 53 |
| 1979 | 27 |
| 1980 | 42 |
| 1981 | 38 |
| 1982 | 28 |
| 1983 | 35 |
| 1984 | 37 |
| 1985 | 30 |
| 1986 | 23 |
| 1987 | 31 |
| 1988 | 59 |
| 1989 | 66 |
| 1990 | 70 |
| 1991 | 99 |
| 1992 | 93 |
| 1993 | 66 |
| 1994 | 40 |
| 1995 | 42 |
| 1996 | 52 |
| 1997 | 113 |
| 1998 | 186 |
| 1999 | 181 |
| 2000 | 158 |
| 2001 | 227 |
| 2002 | 185 |
| 2003 | 245 |
| 2004 | 206 |
| 2005 | 179 |
| 2006 | 164 |
| 2007 | 209 |
| 2008 | 236 |
| 2009 | 232 |
| 2010 | 223 |
| 2011 | 263 |
| 2012 | 352 |
| 2013 | 436 |
| 2014 | 371 |
| 2015 | 423 |
| 2016 | 334 |
| 2017 | 397 |
| 2018 | 431 |
| 2019 | 450 |
| 2020 | 371 |
| 2021 | 213 |
| 2022 | 36 |
| 2023 | 14 |
| 2024 | 102 |
| 2025 | 165 |