Line 1, Debt / equity.
Point 1, 1970 is 21.1.
Point 2, is 21.2.
Point 3, is 20.6.
Point 4, is 19.
Point 5, is 19.9.
Point 6, 1975 is 19.5.
Point 7, is 19.
Point 8, is 20.
Point 9, is 18.9.
Point 10, is 19.2.
Point 11, 1980 is 19.4.
Point 12, is 21.7.
Point 13, is 23.6.
Point 14, is 24.1.
Point 15, is 26.6.
Point 16, 1985 is 28.5.
Point 17, is 26.5.
Point 18, is 22.4.
Point 19, is 20.3.
Point 20, is 19.2.
Point 21, 1990 is 18.5.
Point 22, is 18.5.
Point 23, is 17.9.
Point 24, is 17.3.
Point 25, is 17.5.
Point 26, 1995 is 17.4.
Point 27, is 17.4.
Point 28, is 17.5.
Point 29, is 17.9.
Point 30, is 17.3.
Point 31, 2000 is 15.9.
Point 32, is 15.8.
Point 33, is 16.4.
Point 34, is 13.5.
Point 35, is 12.9.
Point 36, 2005 is 12.4.
Point 37, is 11.8.
Point 38, is 11.6.
Point 39, is 13.6.
Point 40, is 13.6.
Point 41, is 12.3.
Point 42, 2011f is 11.6.
Line 2, Debt / asset.
Point 1, 1970 is 17.4.
Point 2, is 17.5.
Point 3, is 17.1.
Point 4, is 16.
Point 5, is 16.6.
Point 6, 1975 is 16.3.
Point 7, is 15.9.
Point 8, is 16.6.
Point 9, is 15.9.
Point 10, is 16.1.
Point 11, 1980 is 16.2.
Point 12, is 17.8.
Point 13, is 19.1.
Point 14, is 19.4.
Point 15, is 21.
Point 16, 1985 is 22.2.
Point 17, is 21.
Point 18, is 18.3.
Point 19, is 16.9.
Point 20, is 16.1.
Point 21, 1990 is 15.6.
Point 22, is 15.6.
Point 23, is 15.2.
Point 24, is 14.8.
Point 25, is 14.9.
Point 26, 1995 is 14.8.
Point 27, is 14.8.
Point 28, is 14.9.
Point 29, is 15.2.
Point 30, is 14.7.
Point 31, 2000 is 13.7.
Point 32, is 13.6.
Point 33, is 14.1.
Point 34, is 11.9.
Point 35, is 11.5.
Point 36, 2005 is 11.
Point 37, is 10.6.
Point 38, is 10.4.
Point 39, is 12.
Point 40, is 11.9.
Point 41, is 11.
Point 42, 2011f is 10.4.