Bar chart with 3 groups with 3 items per group.
Group 1, 1980
Item 1, 1 year 71.6%
Item 2, 5 years 92.7%
Item 3, 10 years 100.4%
Group 2, 1990
Item 1, 1 year 63.4%
Item 2, 5 years 78.5%
Item 3, 10 years 90.1%
Group 3, 2000
Item 1, 1 year 63.1%
Item 2, 5 years 77.1%
Item 3, 10 years 79.8%