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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 4 |
| 1968 | 3 |
| 1969 | 3 |
| 1970 | 4 |
| 1971 | 4 |
| 1972 | 6 |
| 1973 | 5 |
| 1974 | 3 |
| 1975 | 2 |
| 1976 | 6 |
| 1977 | 6 |
| 1978 | 8 |
| 1979 | 2 |
| 1980 | 2 |
| 1981 | 6 |
| 1982 | 6 |
| 1983 | 5 |
| 1984 | 8 |
| 1985 | 18 |
| 1986 | 13 |
| 1987 | 22 |
| 1988 | 23 |
| 1989 | 28 |
| 1990 | 32 |
| 1991 | 48 |
| 1992 | 64 |
| 1993 | 76 |
| 1994 | 62 |
| 1995 | 53 |
| 1996 | 68 |
| 1997 | 66 |
| 1998 | 74 |
| 1999 | 124 |
| 2000 | 123 |
| 2001 | 134 |
| 2002 | 116 |
| 2003 | 184 |
| 2004 | 187 |
| 2005 | 198 |
| 2006 | 187 |
| 2007 | 167 |
| 2008 | 210 |
| 2009 | 215 |
| 2010 | 241 |
| 2011 | 321 |
| 2012 | 390 |
| 2013 | 531 |
| 2014 | 639 |
| 2015 | 702 |
| 2016 | 611 |
| 2017 | 686 |
| 2018 | 682 |
| 2019 | 811 |
| 2020 | 866 |
| 2021 | 982 |
| 2022 | 1184 |
| 2023 | 1286 |
| 2024 | 463 |