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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 6 |
| 1969 | 4 |
| 1970 | 4 |
| 1971 | 4 |
| 1972 | 3 |
| 1973 | 1 |
| 1974 | 5 |
| 1975 | 4 |
| 1976 | 5 |
| 1977 | 6 |
| 1978 | 6 |
| 1979 | 13 |
| 1980 | 12 |
| 1981 | 22 |
| 1982 | 25 |
| 1983 | 22 |
| 1984 | 24 |
| 1985 | 30 |
| 1986 | 56 |
| 1987 | 48 |
| 1988 | 54 |
| 1989 | 57 |
| 1990 | 55 |
| 1991 | 55 |
| 1992 | 57 |
| 1993 | 49 |
| 1994 | 62 |
| 1995 | 54 |
| 1996 | 66 |
| 1997 | 69 |
| 1998 | 108 |
| 1999 | 104 |
| 2000 | 154 |
| 2001 | 146 |
| 2002 | 129 |
| 2003 | 176 |
| 2004 | 193 |
| 2005 | 235 |
| 2006 | 247 |
| 2007 | 232 |
| 2008 | 253 |
| 2009 | 227 |
| 2010 | 299 |
| 2011 | 338 |
| 2012 | 379 |
| 2013 | 417 |
| 2014 | 454 |
| 2015 | 442 |
| 2016 | 479 |
| 2017 | 565 |
| 2018 | 607 |
| 2019 | 658 |
| 2020 | 731 |
| 2021 | 767 |
| 2022 | 814 |
| 2023 | 744 |
| 2024 | 335 |