Month	Millions
1928-01-01	16.2500
1928-02-01	16.3300
1928-03-01	16.6900
1928-04-01	17.6400
1928-05-01	17.9700
1928-06-01	18.1600
1928-07-01	17.9600
1928-08-01	18.1100
1928-09-01	18.2000
1928-10-01	18.1000
1928-11-01	17.5700
1928-12-01	16.4900
1929-01-01	15.8500
1929-02-01	15.4700
1929-03-01	16.6700
1929-04-01	18.0600
1929-05-01	18.4900
1929-06-01	18.6400
1929-07-01	18.5400
1929-08-01	18.5400
1929-09-01	18.4300
1929-10-01	18.2300
1929-11-01	17.7100
1929-12-01	16.5400
1930-01-01	16.1600
1930-02-01	15.9300
1930-03-01	16.2900
1930-04-01	16.7900
1930-05-01	17.1200
1930-06-01	17.0300
1930-07-01	16.8400
1930-08-01	16.6900
1930-09-01	16.5400
1930-10-01	16.2300
1930-11-01	15.6900
1930-12-01	14.6200
1931-01-01	13.9700
1931-02-01	13.7600
1931-03-01	14.0900
1931-04-01	14.8100
1931-05-01	15.2000
1931-06-01	15.2500
1931-07-01	15.0200
1931-08-01	14.6200
1931-09-01	14.3700
1931-10-01	13.9800
1931-11-01	13.4300
1931-12-01	12.4400
1932-01-01	12.0800
1932-02-01	11.9300
1932-03-01	11.9700
1932-04-01	12.5400
1932-05-01	12.7400
1932-06-01	12.7800
1932-07-01	12.7600
1932-08-01	12.7600
1932-09-01	12.8300
1932-10-01	12.9200
1932-11-01	12.7000
1932-12-01	11.9800
1933-01-01	11.4900
1933-02-01	11.5300
1933-03-01	12.1900
1933-04-01	12.7000
1933-05-01	13.1800
1933-06-01	13.3100
1933-07-01	13.4400
1933-08-01	13.7200
1933-09-01	13.9200
1933-10-01	14.0600
1933-11-01	14.0200
1933-12-01	13.2900
1934-01-01	13.5200
1934-02-01	13.9700
1934-03-01	14.6900
1934-04-01	15.3200
1934-05-01	15.5600
1934-06-01	15.5300
1934-07-01	15.5300
1934-08-01	15.5600
1934-09-01	15.6200
1934-10-01	15.6400