1981 22 4.7788e+011 3.9266e+011 3.2069e+011 2.6062e+011 2.1092e+011 1.2243e+011 6.9855e+010 2.1868e+010 6.5764e+009 1.9180e+009 5.4607e+008 1.5251e+008 4.1934e+007 1.1384e+007 8.1448e+005 5.6621e+004 3.8634e+003 2.6107e+002 1.7648e+001