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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 1 |
| 1960 | 7 |
| 1961 | 5 |
| 1962 | 9 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 31 |
| 1966 | 79 |
| 1967 | 91 |
| 1968 | 93 |
| 1969 | 85 |
| 1970 | 91 |
| 1971 | 97 |
| 1972 | 84 |
| 1973 | 91 |
| 1974 | 80 |
| 1975 | 93 |
| 1976 | 74 |
| 1977 | 63 |
| 1978 | 91 |
| 1979 | 105 |
| 1980 | 78 |
| 1981 | 92 |
| 1982 | 88 |
| 1983 | 94 |
| 1984 | 101 |
| 1985 | 87 |
| 1986 | 81 |
| 1987 | 105 |
| 1988 | 92 |
| 1989 | 104 |
| 1990 | 122 |
| 1991 | 112 |
| 1992 | 110 |
| 1993 | 132 |
| 1994 | 128 |
| 1995 | 138 |
| 1996 | 127 |
| 1997 | 145 |
| 1998 | 123 |
| 1999 | 136 |
| 2000 | 150 |
| 2001 | 146 |
| 2002 | 146 |
| 2003 | 130 |
| 2004 | 126 |
| 2005 | 138 |
| 2006 | 140 |
| 2007 | 130 |
| 2008 | 142 |
| 2009 | 105 |
| 2010 | 124 |
| 2011 | 142 |
| 2012 | 136 |
| 2013 | 131 |
| 2014 | 123 |
| 2015 | 112 |
| 2016 | 125 |
| 2017 | 93 |
| 2018 | 104 |
| 2019 | 93 |
| 2020 | 89 |
| 2021 | 76 |
| 2022 | 46 |
| 2023 | 20 |
| 2024 | 9 |