Year	Millions Of Revenue Passengers
1926	13.5130
1927	13.4300
1928	13.2810
1929	13.0730
1930	12.1300
1931	10.8920
1932	9.45000
1933	8.96200
1934	9.79400
1935	9.98600
1936	10.8140
1937	10.8420
1938	10.5730
1939	10.6480