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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 4 |
| 1960 | 13 |
| 1961 | 12 |
| 1962 | 15 |
| 1967 | 6 |
| 1968 | 6 |
| 1969 | 4 |
| 1970 | 6 |
| 1971 | 2 |
| 1972 | 1 |
| 1975 | 3 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 4 |
| 1980 | 6 |
| 1981 | 6 |
| 1982 | 4 |
| 1983 | 3 |
| 1984 | 9 |
| 1985 | 1 |
| 1986 | 5 |
| 1987 | 5 |
| 1988 | 23 |
| 1989 | 35 |
| 1990 | 98 |
| 1991 | 120 |
| 1992 | 156 |
| 1993 | 128 |
| 1994 | 129 |
| 1995 | 105 |
| 1996 | 116 |
| 1997 | 134 |
| 1998 | 175 |
| 1999 | 200 |
| 2000 | 167 |
| 2001 | 188 |
| 2002 | 182 |
| 2003 | 287 |
| 2004 | 290 |
| 2005 | 254 |
| 2006 | 302 |
| 2007 | 345 |
| 2008 | 398 |
| 2009 | 409 |
| 2010 | 455 |
| 2011 | 525 |
| 2012 | 692 |
| 2013 | 758 |
| 2014 | 791 |
| 2015 | 889 |
| 2016 | 942 |
| 2017 | 1087 |
| 2018 | 1258 |
| 2019 | 1430 |
| 2020 | 1145 |
| 2021 | 622 |
| 2022 | 76 |
| 2023 | 22 |
| 2024 | 10 |