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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1877 | 1 |
| 1948 | 1 |
| 1950 | 2 |
| 1951 | 3 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 2 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1968 | 1 |
| 1971 | 2 |
| 1979 | 3 |
| 1980 | 4 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1989 | 3 |
| 1990 | 2 |
| 1994 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2005 | 2 |
| 2006 | 1 |
| 2008 | 1 |
| 2023 | 0 |