Anaphora

1900	1962	1970	1980	1990	2000	2010
1901	1963	1971	1981	1991	2001
1907	1966	1972	1982	1992	2002
1915	1967	1973	1983	1993	2003
1918	1968	1974	1984	1994	2004
1933	1969	1975	1985	1995	2005
1934		1976	1986	1996	2006
1950		1977	1987	1997	2007
		1978	1988	1998	2008
		1979	1989	1999	2009