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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1949 | 1 |
| 1965 | 1 |
| 1966 | 5 |
| 1967 | 15 |
| 1968 | 22 |
| 1969 | 27 |
| 1970 | 39 |
| 1971 | 29 |
| 1972 | 42 |
| 1973 | 50 |
| 1974 | 58 |
| 1975 | 46 |
| 1976 | 40 |
| 1977 | 45 |
| 1978 | 45 |
| 1979 | 53 |
| 1980 | 50 |
| 1981 | 61 |
| 1982 | 55 |
| 1983 | 77 |
| 1984 | 62 |
| 1985 | 115 |
| 1986 | 103 |
| 1987 | 86 |
| 1988 | 98 |
| 1989 | 134 |
| 1990 | 135 |
| 1991 | 128 |
| 1992 | 136 |
| 1993 | 160 |
| 1994 | 182 |
| 1995 | 191 |
| 1996 | 187 |
| 1997 | 182 |
| 1998 | 201 |
| 1999 | 174 |
| 2000 | 212 |
| 2001 | 216 |
| 2002 | 191 |
| 2003 | 248 |
| 2004 | 232 |
| 2005 | 281 |
| 2006 | 321 |
| 2007 | 334 |
| 2008 | 371 |
| 2009 | 446 |
| 2010 | 489 |
| 2011 | 506 |
| 2012 | 471 |
| 2013 | 558 |
| 2014 | 570 |
| 2015 | 578 |
| 2016 | 521 |
| 2017 | 567 |
| 2018 | 646 |
| 2019 | 653 |
| 2020 | 515 |
| 2021 | 306 |
| 2022 | 46 |
| 2023 | 56 |
| 2024 | 14 |