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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 6 |
| 1967 | 15 |
| 1968 | 9 |
| 1969 | 11 |
| 1970 | 19 |
| 1971 | 10 |
| 1972 | 14 |
| 1973 | 14 |
| 1974 | 23 |
| 1975 | 28 |
| 1976 | 25 |
| 1977 | 29 |
| 1978 | 30 |
| 1979 | 28 |
| 1980 | 29 |
| 1981 | 55 |
| 1982 | 67 |
| 1983 | 62 |
| 1984 | 73 |
| 1985 | 81 |
| 1986 | 98 |
| 1987 | 95 |
| 1988 | 91 |
| 1989 | 89 |
| 1990 | 101 |
| 1991 | 142 |
| 1992 | 134 |
| 1993 | 150 |
| 1994 | 109 |
| 1995 | 177 |
| 1996 | 142 |
| 1997 | 142 |
| 1998 | 145 |
| 1999 | 166 |
| 2000 | 197 |
| 2001 | 203 |
| 2002 | 193 |
| 2003 | 220 |
| 2004 | 244 |
| 2005 | 301 |
| 2006 | 331 |
| 2007 | 328 |
| 2008 | 329 |
| 2009 | 396 |
| 2010 | 435 |
| 2011 | 324 |
| 2012 | 283 |
| 2013 | 311 |
| 2014 | 310 |
| 2015 | 272 |
| 2016 | 295 |
| 2017 | 342 |
| 2018 | 315 |
| 2019 | 358 |
| 2020 | 273 |
| 2021 | 121 |
| 2022 | 22 |
| 2023 | 3 |
| 2024 | 13 |