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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 3 |
| 1960 | 4 |
| 1963 | 2 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1970 | 3 |
| 1971 | 4 |
| 1972 | 5 |
| 1973 | 6 |
| 1974 | 9 |
| 1975 | 9 |
| 1976 | 6 |
| 1977 | 12 |
| 1978 | 3 |
| 1979 | 4 |
| 1980 | 9 |
| 1981 | 20 |
| 1982 | 13 |
| 1983 | 19 |
| 1984 | 17 |
| 1985 | 30 |
| 1986 | 23 |
| 1987 | 38 |
| 1988 | 51 |
| 1989 | 37 |
| 1990 | 52 |
| 1991 | 54 |
| 1992 | 80 |
| 1993 | 69 |
| 1994 | 94 |
| 1995 | 88 |
| 1996 | 112 |
| 1997 | 113 |
| 1998 | 129 |
| 1999 | 166 |
| 2000 | 170 |
| 2001 | 161 |
| 2002 | 224 |
| 2003 | 231 |
| 2004 | 318 |
| 2005 | 451 |
| 2006 | 494 |
| 2007 | 473 |
| 2008 | 633 |
| 2009 | 686 |
| 2010 | 809 |
| 2011 | 990 |
| 2012 | 1338 |
| 2013 | 1529 |
| 2014 | 1747 |
| 2015 | 1972 |
| 2016 | 2226 |
| 2017 | 2462 |
| 2018 | 2983 |
| 2019 | 3433 |
| 2020 | 3929 |
| 2021 | 4683 |
| 2022 | 5705 |
| 2023 | 5751 |
| 2024 | 2448 |