Line graph with 4 lines and 10 points per line.
Line 1, 1980.
Point 1, <=24 is 8%
Point 2, 25--29 is 17.7%
Point 3, 30--34 is 15.8%
Point 4, 35--39 is 12.5%
Point 5, 40--44 is 11%
Point 6, 45--49 is 9.4%
Point 7, 50--54 is 8.4%
Point 8, 55--59 is 7.8%
Point 9, 60--64 is 5.1%
Point 10, >=65 is 4.3%
Line 2, 2000.
Point 1, <=24 is 2.6%
Point 2, 25--29 is 6.5%
Point 3, 30--34 is 9.4%
Point 4, 35--39 is 13.4%
Point 5, 40--44 is 17.4%
Point 6, 45--49 is 17.3%
Point 7, 50--54 is 12.9%
Point 8, 55--59 is 8.8%
Point 9, 60--64 is 5.8%
Point 10, >=65 is 5.8%
Line 3, 2010.
Point 1, <=24 is 2.3%
Point 2, 25--29 is 7%
Point 3, 30--34 is 9.4%
Point 4, 35--39 is 9.9%
Point 5, 40--44 is 11.4%
Point 6, 45--49 is 14.5%
Point 7, 50--54 is 16.9%
Point 8, 55--59 is 15.2%
Point 9, 60--64 is 9.2%
Point 10, >=65 is 4.1%
Line 4, 2020.
Point 1, <=24 is 2.5%
Point 2, 25--29 is 7.4%
Point 3, 30--34 is 9.5%
Point 4, 35--39 is 10.9%
Point 5, 40--44 is 12.2%
Point 6, 45--49 is 11.9%
Point 7, 50--54 is 12.2%
Point 8, 55--59 is 13.6%
Point 9, 60--64 is 12.7%
Point 10, >=65 is 7.1%