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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 4 |
| 1967 | 5 |
| 1968 | 4 |
| 1969 | 6 |
| 1970 | 5 |
| 1971 | 8 |
| 1972 | 12 |
| 1973 | 48 |
| 1974 | 56 |
| 1975 | 75 |
| 1976 | 70 |
| 1977 | 56 |
| 1978 | 54 |
| 1979 | 69 |
| 1980 | 70 |
| 1981 | 72 |
| 1982 | 82 |
| 1983 | 84 |
| 1984 | 122 |
| 1985 | 122 |
| 1986 | 147 |
| 1987 | 178 |
| 1988 | 166 |
| 1989 | 192 |
| 1990 | 216 |
| 1991 | 230 |
| 1992 | 208 |
| 1993 | 253 |
| 1994 | 207 |
| 1995 | 277 |
| 1996 | 263 |
| 1997 | 190 |
| 1998 | 213 |
| 1999 | 180 |
| 2000 | 206 |
| 2001 | 223 |
| 2002 | 240 |
| 2003 | 218 |
| 2004 | 197 |
| 2005 | 252 |
| 2006 | 285 |
| 2007 | 259 |
| 2008 | 312 |
| 2009 | 355 |
| 2010 | 345 |
| 2011 | 347 |
| 2012 | 370 |
| 2013 | 377 |
| 2014 | 377 |
| 2015 | 453 |
| 2016 | 419 |
| 2017 | 329 |
| 2018 | 304 |
| 2019 | 260 |
| 2020 | 282 |
| 2021 | 256 |
| 2022 | 28 |
| 2023 | 13 |
| 2024 | 109 |