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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1953 | 2 |
| 1954 | 2 |
| 1958 | 1 |
| 1959 | 1 |
| 1964 | 1 |
| 1973 | 2 |
| 1975 | 6 |
| 1976 | 26 |
| 1977 | 22 |
| 1978 | 60 |
| 1979 | 63 |
| 1980 | 82 |
| 1981 | 103 |
| 1982 | 114 |
| 1983 | 143 |
| 1984 | 83 |
| 1985 | 156 |
| 1986 | 149 |
| 1987 | 143 |
| 1988 | 113 |
| 1989 | 106 |
| 1990 | 108 |
| 1991 | 92 |
| 1992 | 87 |
| 1993 | 97 |
| 1994 | 110 |
| 1995 | 98 |
| 1996 | 140 |
| 1997 | 93 |
| 1998 | 64 |
| 1999 | 80 |
| 2000 | 79 |
| 2001 | 60 |
| 2002 | 34 |
| 2003 | 61 |
| 2004 | 45 |
| 2005 | 61 |
| 2006 | 64 |
| 2007 | 39 |
| 2008 | 36 |
| 2009 | 39 |
| 2010 | 39 |
| 2011 | 40 |
| 2012 | 29 |
| 2013 | 22 |
| 2014 | 20 |
| 2015 | 18 |
| 2016 | 13 |
| 2017 | 14 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 1 |
| 2021 | 5 |
| 2024 | 0 |