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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1950 | 1 |
| 1951 | 6 |
| 1952 | 3 |
| 1953 | 6 |
| 1954 | 5 |
| 1955 | 3 |
| 1956 | 7 |
| 1957 | 2 |
| 1958 | 4 |
| 1959 | 5 |
| 1960 | 6 |
| 1961 | 11 |
| 1962 | 9 |
| 1963 | 11 |
| 1964 | 11 |
| 1965 | 5 |
| 1967 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 34 |
| 1982 | 86 |
| 1983 | 117 |
| 1984 | 108 |
| 1985 | 91 |
| 1986 | 119 |
| 1987 | 106 |
| 1988 | 128 |
| 1989 | 126 |
| 1990 | 125 |
| 1991 | 96 |
| 1992 | 127 |
| 1993 | 124 |
| 1994 | 129 |
| 1995 | 146 |
| 1996 | 131 |
| 1997 | 132 |
| 1998 | 112 |
| 1999 | 104 |
| 2000 | 134 |
| 2001 | 123 |
| 2002 | 134 |
| 2003 | 129 |
| 2004 | 142 |
| 2005 | 146 |
| 2006 | 131 |
| 2007 | 150 |
| 2008 | 142 |
| 2009 | 138 |
| 2010 | 135 |
| 2011 | 129 |
| 2012 | 142 |
| 2013 | 138 |
| 2014 | 116 |
| 2015 | 130 |
| 2016 | 100 |
| 2017 | 92 |
| 2018 | 94 |
| 2019 | 106 |
| 2020 | 109 |
| 2021 | 92 |
| 2022 | 85 |
| 2023 | 82 |
| 2024 | 27 |