fit {36.8,1273749},{24,975000},{12.6,491044},{18,700000},{38.3,1294766},{20,818037},{24.5,1000000},{16.5,620000},{9.6,355301},{38.9,1305546},{42.7,1373982},{21,839000},{44.8,1396615},{48.4,1464127}