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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1951 | 2 |
| 1952 | 4 |
| 1953 | 25 |
| 1954 | 28 |
| 1955 | 17 |
| 1956 | 22 |
| 1957 | 17 |
| 1958 | 31 |
| 1959 | 34 |
| 1960 | 47 |
| 1961 | 30 |
| 1962 | 18 |
| 1964 | 2 |
| 1965 | 34 |
| 1966 | 56 |
| 1967 | 87 |
| 1968 | 87 |
| 1969 | 109 |
| 1970 | 88 |
| 1971 | 102 |
| 1972 | 115 |
| 1973 | 110 |
| 1974 | 119 |
| 1975 | 94 |
| 1976 | 89 |
| 1977 | 73 |
| 1978 | 77 |
| 1979 | 88 |
| 1980 | 89 |
| 1981 | 91 |
| 1982 | 75 |
| 1983 | 93 |
| 1984 | 91 |
| 1985 | 103 |
| 1986 | 93 |
| 1987 | 84 |
| 1988 | 98 |
| 1989 | 100 |
| 1990 | 103 |
| 1991 | 89 |
| 1992 | 89 |
| 1993 | 96 |
| 1994 | 110 |
| 1995 | 97 |
| 1996 | 88 |
| 1997 | 94 |
| 1998 | 93 |
| 1999 | 91 |
| 2000 | 95 |
| 2001 | 80 |
| 2002 | 90 |
| 2003 | 105 |
| 2004 | 103 |
| 2005 | 101 |
| 2006 | 106 |
| 2007 | 121 |
| 2008 | 124 |
| 2009 | 136 |
| 2010 | 132 |
| 2011 | 145 |
| 2012 | 134 |
| 2013 | 157 |
| 2014 | 158 |
| 2015 | 139 |
| 2016 | 118 |
| 2017 | 117 |
| 2018 | 135 |
| 2019 | 127 |
| 2020 | 125 |
| 2021 | 121 |
| 2022 | 143 |
| 2023 | 121 |
| 2024 | 39 |