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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1961 | 2 |
| 1962 | 2 |
| 1965 | 8 |
| 1966 | 9 |
| 1967 | 12 |
| 1968 | 19 |
| 1969 | 8 |
| 1970 | 9 |
| 1971 | 5 |
| 1972 | 6 |
| 1973 | 6 |
| 1974 | 14 |
| 1975 | 30 |
| 1976 | 24 |
| 1977 | 28 |
| 1978 | 13 |
| 1979 | 17 |
| 1980 | 12 |
| 1981 | 16 |
| 1982 | 21 |
| 1983 | 21 |
| 1984 | 16 |
| 1985 | 32 |
| 1986 | 38 |
| 1987 | 41 |
| 1988 | 44 |
| 1989 | 53 |
| 1990 | 49 |
| 1991 | 68 |
| 1992 | 41 |
| 1993 | 36 |
| 1994 | 50 |
| 1995 | 42 |
| 1996 | 50 |
| 1997 | 68 |
| 1998 | 79 |
| 1999 | 89 |
| 2000 | 87 |
| 2001 | 128 |
| 2002 | 142 |
| 2003 | 193 |
| 2004 | 287 |
| 2005 | 274 |
| 2006 | 212 |
| 2007 | 283 |
| 2008 | 289 |
| 2009 | 351 |
| 2010 | 428 |
| 2011 | 464 |
| 2012 | 579 |
| 2013 | 672 |
| 2014 | 710 |
| 2015 | 860 |
| 2016 | 905 |
| 2017 | 1019 |
| 2018 | 1148 |
| 2019 | 1117 |
| 2020 | 1093 |
| 2021 | 980 |
| 2022 | 192 |
| 2023 | 116 |
| 2024 | 91 |