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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1949 | 1 |
| 1951 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 2 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 4 |
| 1969 | 1 |
| 1970 | 12 |
| 1971 | 9 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1978 | 1 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 1 |
| 1983 | 1 |
| 1986 | 1 |
| 1987 | 4 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 1 |
| 1993 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 1999 | 3 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 10 |
| 2004 | 11 |
| 2005 | 7 |
| 2006 | 2 |
| 2007 | 3 |
| 2008 | 7 |
| 2009 | 3 |
| 2010 | 2 |
| 2012 | 1 |
| 2013 | 2 |
| 2024 | 0 |