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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1957 | 2 |
| 1959 | 5 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 7 |
| 1963 | 5 |
| 1964 | 5 |
| 1965 | 5 |
| 1966 | 2 |
| 1967 | 4 |
| 1970 | 2 |
| 1971 | 4 |
| 1972 | 4 |
| 1973 | 6 |
| 1974 | 6 |
| 1975 | 6 |
| 1976 | 7 |
| 1977 | 7 |
| 1978 | 8 |
| 1979 | 9 |
| 1980 | 15 |
| 1981 | 11 |
| 1982 | 20 |
| 1983 | 18 |
| 1984 | 18 |
| 1985 | 26 |
| 1986 | 40 |
| 1987 | 25 |
| 1988 | 32 |
| 1989 | 30 |
| 1990 | 57 |
| 1991 | 48 |
| 1992 | 49 |
| 1993 | 51 |
| 1994 | 69 |
| 1995 | 104 |
| 1996 | 94 |
| 1997 | 81 |
| 1998 | 100 |
| 1999 | 112 |
| 2000 | 89 |
| 2001 | 88 |
| 2002 | 112 |
| 2003 | 145 |
| 2004 | 176 |
| 2005 | 275 |
| 2006 | 311 |
| 2007 | 336 |
| 2008 | 414 |
| 2009 | 490 |
| 2010 | 555 |
| 2011 | 640 |
| 2012 | 783 |
| 2013 | 866 |
| 2014 | 1054 |
| 2015 | 1231 |
| 2016 | 1326 |
| 2017 | 1428 |
| 2018 | 1566 |
| 2019 | 1785 |
| 2020 | 2178 |
| 2021 | 2534 |
| 2022 | 2900 |
| 2023 | 1372 |