Bar chart with 6 groups with 2 items per group.
Group 1, 1970-1974
Item 1, Downstate $36.06
Item 2, Upstate $23.14
Group 2, 1975-1979
Item 1, Downstate $42.73
Item 2, Upstate $29.32
Group 3, 1980-1984
Item 1, Downstate $38.46
Item 2, Upstate $30.36
Group 4, 1985-1989
Item 1, Downstate $39.35
Item 2, Upstate $31.25
Group 5, 1990-1994
Item 1, Downstate $37.98
Item 2, Upstate $28.84
Group 6, 1995-1999
Item 1, Downstate $38.46
Item 2, Upstate $26.89