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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1950 | 4 |
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 2 |
| 1960 | 3 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 2 |
| 1966 | 8 |
| 1967 | 4 |
| 1968 | 3 |
| 1969 | 5 |
| 1970 | 1 |
| 1971 | 7 |
| 1972 | 7 |
| 1973 | 10 |
| 1974 | 9 |
| 1975 | 13 |
| 1976 | 17 |
| 1977 | 8 |
| 1978 | 21 |
| 1979 | 16 |
| 1980 | 20 |
| 1981 | 29 |
| 1982 | 25 |
| 1983 | 32 |
| 1984 | 42 |
| 1985 | 59 |
| 1986 | 49 |
| 1987 | 54 |
| 1988 | 39 |
| 1989 | 47 |
| 1990 | 36 |
| 1991 | 60 |
| 1992 | 45 |
| 1993 | 58 |
| 1994 | 55 |
| 1995 | 76 |
| 1996 | 79 |
| 1997 | 82 |
| 1998 | 96 |
| 1999 | 79 |
| 2000 | 93 |
| 2001 | 116 |
| 2002 | 109 |
| 2003 | 137 |
| 2004 | 127 |
| 2005 | 117 |
| 2006 | 134 |
| 2007 | 146 |
| 2008 | 142 |
| 2009 | 194 |
| 2010 | 176 |
| 2011 | 235 |
| 2012 | 245 |
| 2013 | 260 |
| 2014 | 258 |
| 2015 | 255 |
| 2016 | 271 |
| 2017 | 280 |
| 2018 | 296 |
| 2019 | 341 |
| 2020 | 310 |
| 2021 | 420 |
| 2022 | 341 |
| 2023 | 105 |