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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1950 | 3 |
| 1952 | 1 |
| 1953 | 4 |
| 1954 | 2 |
| 1956 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 6 |
| 1962 | 7 |
| 1963 | 8 |
| 1964 | 6 |
| 1965 | 16 |
| 1966 | 14 |
| 1967 | 11 |
| 1968 | 10 |
| 1969 | 26 |
| 1970 | 14 |
| 1971 | 14 |
| 1972 | 15 |
| 1973 | 10 |
| 1974 | 11 |
| 1975 | 15 |
| 1976 | 21 |
| 1977 | 21 |
| 1978 | 26 |
| 1979 | 35 |
| 1980 | 33 |
| 1981 | 31 |
| 1982 | 39 |
| 1983 | 38 |
| 1984 | 31 |
| 1985 | 30 |
| 1986 | 26 |
| 1987 | 26 |
| 1988 | 37 |
| 1989 | 48 |
| 1990 | 43 |
| 1991 | 47 |
| 1992 | 47 |
| 1993 | 73 |
| 1994 | 66 |
| 1995 | 95 |
| 1996 | 70 |
| 1997 | 93 |
| 1998 | 73 |
| 1999 | 81 |
| 2000 | 100 |
| 2001 | 74 |
| 2002 | 78 |
| 2003 | 88 |
| 2004 | 91 |
| 2005 | 118 |
| 2006 | 127 |
| 2007 | 132 |
| 2008 | 139 |
| 2009 | 131 |
| 2010 | 126 |
| 2011 | 170 |
| 2012 | 193 |
| 2013 | 222 |
| 2014 | 200 |
| 2015 | 232 |
| 2016 | 239 |
| 2017 | 262 |
| 2018 | 227 |
| 2019 | 252 |
| 2020 | 364 |
| 2021 | 374 |
| 2022 | 393 |
| 2023 | 421 |
| 2024 | 391 |