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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1932 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1958 | 1 |
| 1960 | 2 |
| 1962 | 6 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 3 |
| 1967 | 5 |
| 1968 | 4 |
| 1969 | 7 |
| 1970 | 10 |
| 1971 | 12 |
| 1972 | 15 |
| 1973 | 17 |
| 1974 | 7 |
| 1975 | 11 |
| 1976 | 9 |
| 1977 | 24 |
| 1978 | 15 |
| 1979 | 15 |
| 1980 | 13 |
| 1981 | 13 |
| 1982 | 19 |
| 1983 | 25 |
| 1984 | 29 |
| 1985 | 40 |
| 1986 | 42 |
| 1987 | 50 |
| 1988 | 55 |
| 1989 | 74 |
| 1990 | 68 |
| 1991 | 70 |
| 1992 | 83 |
| 1993 | 118 |
| 1994 | 102 |
| 1995 | 147 |
| 1996 | 166 |
| 1997 | 206 |
| 1998 | 258 |
| 1999 | 310 |
| 2000 | 484 |
| 2001 | 469 |
| 2002 | 579 |
| 2003 | 662 |
| 2004 | 849 |
| 2005 | 998 |
| 2006 | 1151 |
| 2007 | 1450 |
| 2008 | 1761 |
| 2009 | 2057 |
| 2010 | 2428 |
| 2011 | 2935 |
| 2012 | 3216 |
| 2013 | 3483 |
| 2014 | 3656 |
| 2015 | 3778 |
| 2016 | 3839 |
| 2017 | 4042 |
| 2018 | 4260 |
| 2019 | 4373 |
| 2020 | 4877 |
| 2021 | 5312 |
| 2022 | 4835 |
| 2023 | 3623 |