917 1 527 2 172 2 845 ^* 4.1 5.0 3.3 2.1 47 45 40 31 4 3 3 5 ^* 7.2 7.2 6.3 3.1 ^* .. .. 77.0 10.0 ^* .. .. 6 2 ^* .. .. 30 26 .. 8 18 .. .. 9 24 .. ^* 51 61 70 74 53 64 73 77 52 63 71 76 ^* 110 58 24 12 ^* .. 78 28 14 .. .. .. 64 .. .. .. .. .. .. .. .. 3 5 7 9 38 57 72 72 9.6 7.4 2.5 2.2 1.9 -0.3 2.6 1.8 75 282 582 826 8.2 18.5 26.8 28.4 * For the periods 1970-1975, 1980-1985, 1990-1995 and 2005-2010. ** For 2010. ` a For 1988/1989.