Type 1 | Type 2 | |||
---|---|---|---|---|
Male | Female | Male | Female | |
1997 | 0.40 (0.37 to 0.43) | 0.28 (0.25 to 0.30) | 2.03 (1.97 to 2.09) | 1.67 (1.62 to 1.72) |
1981 | 0.39 (0.36 to 0.41) | 0.28 (0.25 to 0.30) | 1.93 (1.88 to 1.98) | 1.65 (1.59 to 1.70) |
1962 | 0.39 (0.37 to 0.41) | 0.28 (0.25 to 0.30) | 1.74 (1.69 to 1.71) | 1.48 (1.44 to 1.53) |