Monthly Million Square Feet
1919-01-01 7.30000
1919-02-01 6.83000
1919-03-01 11.1700
1919-04-01 16.3800
1919-05-01 20.9100
1919-06-01 28.8700
1919-07-01 28.3200
1919-08-01 29.7500
1919-09-01 23.5400
1919-10-01 35.2600
1919-11-01 30.6200
1919-12-01 29.3300
1920-01-01 26.7200
1920-02-01 22.7300
1920-03-01 33.5300
1920-04-01 24.8700
1920-05-01 19.8500
1920-06-01 20.4100
1920-07-01 14.3400
1920-08-01 12.5900
1920-09-01 14.5600
1920-10-01 10.3300
1920-11-01 9.28000
1920-12-01 6.06000
1921-01-01 5.79000
1921-02-01 5.64000
1921-03-01 7.28000
1921-04-01 9.98000
1921-05-01 9.80000
1921-06-01 9.42000
1921-07-01 9.09000
1921-08-01 9.74000
1921-09-01 10.1400
1921-10-01 12.3100
1921-11-01 9.62000
1921-12-01 7.45000
1922-01-01 7.77000
1922-02-01 8.60000
1922-03-01 13.1900
1922-04-01 15.4900
1922-05-01 16.1300
1922-06-01 14.6500
1922-07-01 15.5700
1922-08-01 19.0300
1922-09-01 13.5100
1922-10-01 14.1200
1922-11-01 12.7100
1922-12-01 9.92000
1923-01-01 9.79000
1923-02-01 11.9600
1923-03-01 17.3600
1923-04-01 16.4000
1923-05-01 18.7300
1923-06-01 12.6500
1923-07-01 10.9200
1923-08-01 9.58000
1923-09-01 11.1800
1923-10-01 11.4600
1923-11-01 12.0100
1923-12-01 12.1500
1924-01-01 9.45000
1924-02-01 11.8100
1924-03-01 14.3100
1924-04-01 12.3300
1924-05-01 13.0300
1924-06-01 11.1000
1924-07-01 8.78000
1924-08-01 9.81000
1924-09-01 10.8300
1924-10-01 12.4600
1924-11-01 12.5800
1924-12-01 11.9700
1925-01-01 13.9200
1925-02-01 7.88000
1925-03-01 15.0000
1925-04-01 16.9200
1925-05-01 17.5000
1925-06-01 15.9800
1925-07-01 15.8500
1925-08-01 19.9200
1925-09-01 19.9700
1925-10-01 16.8800
1925-11-01 16.6100
1925-12-01 14.5100