1931 0.553188 1.807703 2.3623% 1939 0.654619 1.527606 -1.5482% 1938 0.732926 1.364395 -1.5312% 1937 1.505808 0.664095 3.9669% 1936 0.160309 6.237953 3.2811% 1934 1.524963 0.655754 8.9328% 1933 0.088886 11.250366 -2.6088% 1932 0.771807 1.295660 -11.5407%
NASA