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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 2 |
| 1960 | 3 |
| 1961 | 4 |
| 1962 | 2 |
| 1965 | 3 |
| 1966 | 17 |
| 1967 | 17 |
| 1968 | 27 |
| 1969 | 22 |
| 1970 | 19 |
| 1971 | 21 |
| 1972 | 30 |
| 1973 | 50 |
| 1974 | 53 |
| 1975 | 67 |
| 1976 | 60 |
| 1977 | 74 |
| 1978 | 74 |
| 1979 | 97 |
| 1980 | 86 |
| 1981 | 92 |
| 1982 | 91 |
| 1983 | 100 |
| 1984 | 105 |
| 1985 | 120 |
| 1986 | 122 |
| 1987 | 144 |
| 1988 | 153 |
| 1989 | 113 |
| 1990 | 114 |
| 1991 | 160 |
| 1992 | 143 |
| 1993 | 123 |
| 1994 | 159 |
| 1995 | 143 |
| 1996 | 111 |
| 1997 | 129 |
| 1998 | 148 |
| 1999 | 127 |
| 2000 | 110 |
| 2001 | 107 |
| 2002 | 111 |
| 2003 | 93 |
| 2004 | 102 |
| 2005 | 107 |
| 2006 | 103 |
| 2007 | 133 |
| 2008 | 143 |
| 2009 | 121 |
| 2010 | 132 |
| 2011 | 133 |
| 2012 | 134 |
| 2013 | 130 |
| 2014 | 153 |
| 2015 | 132 |
| 2016 | 145 |
| 2017 | 102 |
| 2018 | 117 |
| 2019 | 125 |
| 2020 | 120 |
| 2021 | 155 |
| 2022 | 197 |
| 2023 | 132 |
| 2024 | 55 |