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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 1 |
| 1947 | 11 |
| 1948 | 2 |
| 1949 | 3 |
| 1950 | 9 |
| 1951 | 11 |
| 1952 | 5 |
| 1953 | 10 |
| 1954 | 9 |
| 1955 | 11 |
| 1956 | 12 |
| 1957 | 11 |
| 1958 | 16 |
| 1959 | 11 |
| 1960 | 14 |
| 1961 | 11 |
| 1962 | 17 |
| 1963 | 14 |
| 1964 | 18 |
| 1965 | 10 |
| 1968 | 2 |
| 1969 | 4 |
| 1970 | 13 |
| 1971 | 16 |
| 1972 | 38 |
| 1973 | 77 |
| 1974 | 90 |
| 1975 | 45 |
| 1976 | 38 |
| 1977 | 56 |
| 1978 | 58 |
| 1979 | 93 |
| 1980 | 96 |
| 1981 | 89 |
| 1982 | 123 |
| 1983 | 105 |
| 1984 | 78 |
| 1985 | 76 |
| 1986 | 84 |
| 1987 | 90 |
| 1988 | 109 |
| 1989 | 102 |
| 1990 | 107 |
| 1991 | 98 |
| 1992 | 108 |
| 1993 | 101 |
| 1994 | 68 |
| 1995 | 98 |
| 1996 | 102 |
| 1997 | 85 |
| 1998 | 85 |
| 1999 | 85 |
| 2000 | 82 |
| 2001 | 96 |
| 2002 | 106 |
| 2003 | 86 |
| 2004 | 132 |
| 2005 | 124 |
| 2006 | 120 |
| 2007 | 116 |
| 2008 | 131 |
| 2009 | 144 |
| 2010 | 169 |
| 2011 | 164 |
| 2012 | 125 |
| 2013 | 144 |
| 2014 | 147 |
| 2015 | 178 |
| 2016 | 184 |
| 2017 | 152 |
| 2018 | 163 |
| 2019 | 151 |
| 2020 | 141 |
| 2021 | 101 |
| 2022 | 53 |
| 2023 | 52 |
| 2024 | 19 |