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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 3 |
| 1950 | 2 |
| 1951 | 3 |
| 1953 | 2 |
| 1956 | 5 |
| 1957 | 2 |
| 1958 | 4 |
| 1959 | 1 |
| 1960 | 5 |
| 1961 | 2 |
| 1962 | 17 |
| 1963 | 10 |
| 1964 | 11 |
| 1965 | 7 |
| 1966 | 8 |
| 1967 | 8 |
| 1968 | 9 |
| 1969 | 5 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 9 |
| 1973 | 4 |
| 1974 | 4 |
| 1975 | 8 |
| 1976 | 4 |
| 1977 | 5 |
| 1978 | 8 |
| 1979 | 11 |
| 1980 | 14 |
| 1981 | 9 |
| 1982 | 18 |
| 1983 | 27 |
| 1984 | 21 |
| 1985 | 31 |
| 1986 | 18 |
| 1987 | 32 |
| 1988 | 53 |
| 1989 | 45 |
| 1990 | 51 |
| 1991 | 53 |
| 1992 | 85 |
| 1993 | 83 |
| 1994 | 91 |
| 1995 | 110 |
| 1996 | 115 |
| 1997 | 95 |
| 1998 | 103 |
| 1999 | 105 |
| 2000 | 141 |
| 2001 | 173 |
| 2002 | 171 |
| 2003 | 201 |
| 2004 | 300 |
| 2005 | 361 |
| 2006 | 396 |
| 2007 | 472 |
| 2008 | 561 |
| 2009 | 666 |
| 2010 | 848 |
| 2011 | 930 |
| 2012 | 1123 |
| 2013 | 1334 |
| 2014 | 1563 |
| 2015 | 1895 |
| 2016 | 2006 |
| 2017 | 2259 |
| 2018 | 2555 |
| 2019 | 3027 |
| 2020 | 3582 |
| 2021 | 3835 |
| 2022 | 4638 |
| 2023 | 2220 |