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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1929 | 1 |
| 1930 | 1 |
| 1931 | 1 |
| 1947 | 1 |
| 1951 | 3 |
| 1952 | 7 |
| 1953 | 1 |
| 1954 | 3 |
| 1955 | 2 |
| 1957 | 2 |
| 1958 | 1 |
| 1962 | 1 |
| 1964 | 3 |
| 1967 | 1 |
| 1968 | 5 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 2 |
| 1983 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1992 | 3 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 4 |
| 1997 | 2 |
| 1998 | 1 |
| 2000 | 2 |
| 2002 | 1 |
| 2003 | 1 |
| 2005 | 6 |
| 2006 | 1 |
| 2008 | 3 |
| 2009 | 3 |
| 2011 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2018 | 1 |
| 2022 | 1 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 2 |