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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1962 | 1 |
| 1964 | 2 |
| 1965 | 6 |
| 1966 | 1 |
| 1967 | 3 |
| 1968 | 3 |
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 4 |
| 1973 | 3 |
| 1974 | 5 |
| 1975 | 6 |
| 1976 | 7 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 4 |
| 1980 | 2 |
| 1981 | 8 |
| 1982 | 2 |
| 1983 | 7 |
| 1984 | 3 |
| 1985 | 10 |
| 1986 | 18 |
| 1987 | 11 |
| 1988 | 20 |
| 1989 | 36 |
| 1990 | 38 |
| 1991 | 39 |
| 1992 | 58 |
| 1993 | 98 |
| 1994 | 109 |
| 1995 | 154 |
| 1996 | 151 |
| 1997 | 198 |
| 1998 | 220 |
| 1999 | 249 |
| 2000 | 320 |
| 2001 | 394 |
| 2002 | 540 |
| 2003 | 558 |
| 2004 | 687 |
| 2005 | 911 |
| 2006 | 1132 |
| 2007 | 1276 |
| 2008 | 1691 |
| 2009 | 1917 |
| 2010 | 2474 |
| 2011 | 2940 |
| 2012 | 3535 |
| 2013 | 4420 |
| 2014 | 5403 |
| 2015 | 6081 |
| 2016 | 6310 |
| 2017 | 7071 |
| 2018 | 8004 |
| 2019 | 9328 |
| 2020 | 11129 |
| 2021 | 12858 |
| 2022 | 15293 |
| 2023 | 14719 |
| 2024 | 6346 |