1984 1985 1986 1987 1988 1989 1990 | 12.1 7.3 6.6 5.8 7.8 7.5 7.7 | 1.7 1.6 1.9 1.7 1.2 | 18.34 11.45 12.82 14.34 24.51 29.82 28.62 | 1.44 1.40 1.78 2.13 2.69 3.37 3.15 | 0.05 0.04 0.05 0.04 0.07 0.09 0.08 | 12.0 7.0 6.4 5.3 7.5 7.2 7.5 | 25.68 17.48 16.22 22.73 29.42 32.41 33.20 | 17.49 10.16 11.53 11.62 20.85 25.07 24.40 | 8.19 7.23 4.67 11.09 8.51 7.21 8.58 |