Year	Millions Of Dollars
1918	2915.00
1919	3367.00
1920	3901.00
1921	3092.00
1922	2918.00
1923	4045.00
1924	4358.00
1925	4733.00
1926	4192.00
1927	4028.00
1928	3931.00
1929	4323.00
1930	3853.00
1931	3136.00
1932	2512.00
1933	2650.00
1934	2874.00