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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1959 | 1 |
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 2 |
| 1974 | 35 |
| 1975 | 59 |
| 1976 | 68 |
| 1977 | 57 |
| 1978 | 57 |
| 1979 | 75 |
| 1980 | 71 |
| 1981 | 58 |
| 1982 | 81 |
| 1983 | 67 |
| 1984 | 85 |
| 1985 | 72 |
| 1986 | 98 |
| 1987 | 93 |
| 1988 | 76 |
| 1989 | 69 |
| 1990 | 114 |
| 1991 | 128 |
| 1992 | 141 |
| 1993 | 141 |
| 1994 | 137 |
| 1995 | 136 |
| 1996 | 134 |
| 1997 | 140 |
| 1998 | 131 |
| 1999 | 124 |
| 2000 | 132 |
| 2001 | 124 |
| 2002 | 106 |
| 2003 | 122 |
| 2004 | 126 |
| 2005 | 98 |
| 2006 | 121 |
| 2007 | 139 |
| 2008 | 117 |
| 2009 | 141 |
| 2010 | 127 |
| 2011 | 110 |
| 2012 | 129 |
| 2013 | 139 |
| 2014 | 124 |
| 2015 | 155 |
| 2016 | 139 |
| 2017 | 136 |
| 2018 | 116 |
| 2019 | 141 |
| 2020 | 149 |
| 2021 | 101 |
| 2022 | 85 |
| 2023 | 57 |
| 2024 | 20 |