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Graph for time range 1960 - 1964
Graph for time range 1965 - 1969
Graph for time range 1970 - 1974
Graph for time range 1975 - 1979
Graph for time range 1980 - 1984
Graph for time range 1985 - 1989
Graph for time range 1990 - 1994
Graph for time range 1995 - 1999
Graph for time range 2000 - 2004
Graph for time range 2005 - 2009
Graph for time range 2010 - 2014
Graph for time range 2015 - 2019
Graph for time range 2025 - 2029
Each colored mark represents the availability of valid data for the specified time period and data set.
Graph last updated: [an error occurred while processing this directive]