Monthly Million Square Feet
1919-01-01 4.77000
1919-02-01 2.84000
1919-03-01 5.37000
1919-04-01 7.01000
1919-05-01 11.2300
1919-06-01 12.4000
1919-07-01 14.8600
1919-08-01 18.1900
1919-09-01 14.1500
1919-10-01 20.3100
1919-11-01 20.9900
1919-12-01 19.4300
1920-01-01 18.7800
1920-02-01 13.7100
1920-03-01 22.7000
1920-04-01 13.4300
1920-05-01 10.9700
1920-06-01 10.4100
1920-07-01 6.67000
1920-08-01 6.72000
1920-09-01 8.21000
1920-10-01 5.00000
1920-11-01 5.23000
1920-12-01 3.56000
1921-01-01 2.27000
1921-02-01 1.78000
1921-03-01 2.33000
1921-04-01 3.46000
1921-05-01 3.42000
1921-06-01 3.40000
1921-07-01 2.57000
1921-08-01 2.19000
1921-09-01 2.62000
1921-10-01 3.94000
1921-11-01 4.16000
1921-12-01 2.54000
1922-01-01 2.79000
1922-02-01 2.24000
1922-03-01 3.97000
1922-04-01 4.75000
1922-05-01 5.82000
1922-06-01 4.16000
1922-07-01 6.71000
1922-08-01 10.1100
1922-09-01 3.96000
1922-10-01 7.04000
1922-11-01 6.16000
1922-12-01 4.12000
1923-01-01 3.80000
1923-02-01 4.62000
1923-03-01 7.36000
1923-04-01 5.82000
1923-05-01 8.42000
1923-06-01 4.01000
1923-07-01 3.69000
1923-08-01 3.14000
1923-09-01 3.95000
1923-10-01 3.68000
1923-11-01 4.60000
1923-12-01 4.57000
1924-01-01 2.65000
1924-02-01 3.71000
1924-03-01 4.12000
1924-04-01 4.18000
1924-05-01 3.54000
1924-06-01 2.77000
1924-07-01 2.32000
1924-08-01 2.58000
1924-09-01 3.17000
1924-10-01 3.33000
1924-11-01 2.93000
1924-12-01 4.07000
1925-01-01 3.69000
1925-02-01 2.41000
1925-03-01 3.99000
1925-04-01 5.47000
1925-05-01 4.69000
1925-06-01 3.14000
1925-07-01 4.17000
1925-08-01 4.21000
1925-09-01 7.61000
1925-10-01 6.06000
1925-11-01 6.49000
1925-12-01 4.42000