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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 21 |
| 1966 | 32 |
| 1967 | 40 |
| 1968 | 70 |
| 1969 | 53 |
| 1970 | 51 |
| 1971 | 52 |
| 1972 | 82 |
| 1973 | 76 |
| 1974 | 54 |
| 1975 | 83 |
| 1976 | 100 |
| 1977 | 68 |
| 1978 | 77 |
| 1979 | 54 |
| 1980 | 58 |
| 1981 | 69 |
| 1982 | 67 |
| 1983 | 80 |
| 1984 | 97 |
| 1985 | 106 |
| 1986 | 77 |
| 1987 | 85 |
| 1988 | 133 |
| 1989 | 127 |
| 1990 | 139 |
| 1991 | 109 |
| 1992 | 85 |
| 1993 | 106 |
| 1994 | 137 |
| 1995 | 136 |
| 1996 | 161 |
| 1997 | 166 |
| 1998 | 188 |
| 1999 | 168 |
| 2000 | 174 |
| 2001 | 228 |
| 2002 | 253 |
| 2003 | 265 |
| 2004 | 325 |
| 2005 | 351 |
| 2006 | 358 |
| 2007 | 421 |
| 2008 | 367 |
| 2009 | 379 |
| 2010 | 365 |
| 2011 | 358 |
| 2012 | 381 |
| 2013 | 389 |
| 2014 | 368 |
| 2015 | 364 |
| 2016 | 355 |
| 2017 | 334 |
| 2018 | 311 |
| 2019 | 346 |
| 2020 | 351 |
| 2021 | 318 |
| 2022 | 335 |
| 2023 | 286 |
| 2024 | 88 |