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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1962 | 1 |
| 1965 | 23 |
| 1966 | 51 |
| 1967 | 57 |
| 1968 | 73 |
| 1969 | 92 |
| 1970 | 75 |
| 1971 | 79 |
| 1972 | 119 |
| 1973 | 120 |
| 1974 | 132 |
| 1975 | 91 |
| 1976 | 94 |
| 1977 | 102 |
| 1978 | 104 |
| 1979 | 89 |
| 1980 | 121 |
| 1981 | 92 |
| 1982 | 93 |
| 1983 | 117 |
| 1984 | 96 |
| 1985 | 119 |
| 1986 | 133 |
| 1987 | 123 |
| 1988 | 73 |
| 1989 | 111 |
| 1990 | 94 |
| 1991 | 100 |
| 1992 | 87 |
| 1993 | 100 |
| 1994 | 109 |
| 1995 | 110 |
| 1996 | 118 |
| 1997 | 117 |
| 1998 | 116 |
| 1999 | 110 |
| 2000 | 155 |
| 2001 | 136 |
| 2002 | 139 |
| 2003 | 176 |
| 2004 | 191 |
| 2005 | 157 |
| 2006 | 181 |
| 2007 | 159 |
| 2008 | 169 |
| 2009 | 178 |
| 2010 | 166 |
| 2011 | 174 |
| 2012 | 192 |
| 2013 | 178 |
| 2014 | 166 |
| 2015 | 154 |
| 2016 | 198 |
| 2017 | 231 |
| 2018 | 190 |
| 2019 | 176 |
| 2020 | 198 |
| 2021 | 232 |
| 2022 | 201 |
| 2023 | 153 |
| 2024 | 50 |