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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 1 |
| 1970 | 1 |
| 1972 | 10 |
| 1973 | 17 |
| 1974 | 27 |
| 1975 | 18 |
| 1976 | 21 |
| 1977 | 27 |
| 1978 | 34 |
| 1979 | 40 |
| 1980 | 38 |
| 1981 | 54 |
| 1982 | 25 |
| 1983 | 58 |
| 1984 | 46 |
| 1985 | 58 |
| 1986 | 79 |
| 1987 | 44 |
| 1988 | 48 |
| 1989 | 84 |
| 1990 | 115 |
| 1991 | 110 |
| 1992 | 66 |
| 1993 | 80 |
| 1994 | 104 |
| 1995 | 127 |
| 1996 | 191 |
| 1997 | 152 |
| 1998 | 154 |
| 1999 | 158 |
| 2000 | 172 |
| 2001 | 224 |
| 2002 | 223 |
| 2003 | 284 |
| 2004 | 287 |
| 2005 | 334 |
| 2006 | 303 |
| 2007 | 392 |
| 2008 | 370 |
| 2009 | 374 |
| 2010 | 417 |
| 2011 | 388 |
| 2012 | 475 |
| 2013 | 502 |
| 2014 | 439 |
| 2015 | 453 |
| 2016 | 434 |
| 2017 | 426 |
| 2018 | 397 |
| 2019 | 383 |
| 2020 | 334 |
| 2021 | 247 |
| 2022 | 32 |
| 2023 | 3 |
| 2024 | 4 |