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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 3 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 1 |
| 1960 | 1 |
| 1962 | 2 |
| 1963 | 2 |
| 1967 | 2 |
| 1968 | 2 |
| 1970 | 4 |
| 1971 | 1 |
| 1972 | 1 |
| 1979 | 4 |
| 1980 | 45 |
| 1981 | 139 |
| 1982 | 147 |
| 1983 | 183 |
| 1984 | 201 |
| 1985 | 213 |
| 1986 | 185 |
| 1987 | 142 |
| 1988 | 166 |
| 1989 | 197 |
| 1990 | 194 |
| 1991 | 170 |
| 1992 | 165 |
| 1993 | 143 |
| 1994 | 135 |
| 1995 | 172 |
| 1996 | 148 |
| 1997 | 131 |
| 1998 | 132 |
| 1999 | 131 |
| 2000 | 137 |
| 2001 | 105 |
| 2002 | 114 |
| 2003 | 130 |
| 2004 | 97 |
| 2005 | 134 |
| 2006 | 119 |
| 2007 | 138 |
| 2008 | 99 |
| 2009 | 104 |
| 2010 | 119 |
| 2011 | 116 |
| 2012 | 133 |
| 2013 | 113 |
| 2014 | 132 |
| 2015 | 141 |
| 2016 | 129 |
| 2017 | 142 |
| 2018 | 171 |
| 2019 | 134 |
| 2020 | 99 |
| 2021 | 92 |
| 2022 | 59 |
| 2023 | 47 |
| 2024 | 17 |