Monthly Million Square Feet
1923-01-01 7.08000
1923-02-01 6.28000
1923-03-01 7.72000
1923-04-01 7.19000
1923-05-01 8.07000
1923-06-01 7.63000
1923-07-01 7.02000
1923-08-01 7.91000
1923-09-01 7.31000
1923-10-01 7.80000
1923-11-01 7.72000
1923-12-01 7.36000
1924-01-01 7.60000
1924-02-01 7.42000
1924-03-01 8.28000
1924-04-01 8.36000
1924-05-01 8.20000
1924-06-01 7.31000
1924-07-01 6.92000
1924-08-01 6.65000
1924-09-01 6.95000
1924-10-01 8.15000
1924-11-01 7.82000
1924-12-01 7.88000
1925-01-01 8.77000
1925-02-01 8.66000
1925-03-01 9.88000
1925-04-01 9.96000
1925-05-01 9.92000
1925-06-01 10.0000
1925-07-01 10.0400
1925-08-01 10.4400
1925-09-01 10.4100
1925-10-01 10.8400
1925-11-01 10.0000
1925-12-01 9.61000
1926-01-01 11.1800
1926-02-01 10.9800
1926-03-01 12.1000
1926-04-01 11.1700
1926-05-01 11.4900
1926-06-01 13.0500
1926-07-01 11.2000
1926-08-01 11.7500
1926-09-01 11.9100
1926-10-01 11.6500
1926-11-01 10.1100
1926-12-01 7.65000
1927-01-01 9.02000
1927-02-01 10.4100
1927-03-01 12.3800
1927-04-01 10.9600
1927-05-01 10.2200
1927-06-01 8.50000
1927-07-01 9.43000
1927-08-01 11.2900
1927-09-01 9.95000
1927-10-01 9.25000
1927-11-01 9.12000
1927-12-01 7.92000
1928-01-01 8.82000
1928-02-01 10.6900
1928-03-01 11.9500
1928-04-01 10.5600
1928-05-01 10.8800
1928-06-01 11.3500
1928-07-01 9.97000
1928-08-01 12.1600
1928-09-01 10.9000
1928-10-01 11.1400
1928-11-01 11.6500
1928-12-01 10.5800
1929-01-01 11.4300
1929-02-01 11.2900
1929-03-01 13.1400
1929-04-01 12.5500
1929-05-01 12.7800
1929-06-01 12.2800
1929-07-01 13.0600
1929-08-01 14.7200
1929-09-01 14.0100
1929-10-01 14.6200
1929-11-01 12.1300
1929-12-01 8.48000
1930-01-01 10.0200
1930-02-01 9.80000
1930-03-01 10.4200
1930-04-01 11.4300
1930-05-01 12.5700
1930-06-01 9.13000
1930-07-01 8.33000
1930-08-01 5.52000
1930-09-01 7.98000
1930-10-01 8.58000
1930-11-01 7.10000
1930-12-01 4.94000
1931-01-01 7.32000
1931-02-01 8.88000
1931-03-01 10.5900
1931-04-01 10.1700
1931-05-01 9.47000
1931-06-01 7.55000
1931-07-01 7.22000
1931-08-01 6.31000
1931-09-01 4.80000
1931-10-01 4.81000
1931-11-01 3.69000
1931-12-01 6.15000
1932-01-01 5.25000
1932-02-01 6.23000
1932-03-01 4.62000
1932-04-01 5.26000
1932-05-01 3.15000
1932-06-01 5.14000
1932-07-01 2.85000
1932-08-01 1.84000
1932-09-01 3.57000
1932-10-01 4.12000
1932-11-01 4.72000
1932-12-01 4.48000
1933-01-01 6.19000
1933-02-01 4.96000
1933-03-01 4.88000
1933-04-01 4.68000
1933-05-01 7.92000
1933-06-01 9.50000
1933-07-01 11.3500
1933-08-01 11.3300
1933-09-01 8.92000
1933-10-01 5.79000
1933-11-01 4.17000
1933-12-01 6.35000
1934-01-01 7.61000
1934-02-01 7.44000
1934-03-01 10.1200
1934-04-01 8.87000
1934-05-01 8.05000
1934-06-01 6.81000
1934-07-01 7.54000
1934-08-01 7.74000
1934-09-01 6.98000
1934-10-01 7.82000
1934-11-01 6.87000
1934-12-01 8.70000
1935-01-01 13.3600
1935-02-01 13.7200
1935-03-01 16.5300
1935-04-01 17.0000
1935-05-01 14.5800
1935-06-01 13.1600
1935-07-01 13.9100
1935-08-01 14.5300
1935-09-01 14.4000
1935-10-01 16.5900
1935-11-01 15.9100
1935-12-01 16.1100
1936-01-01 17.4700
1936-02-01 14.0100
1936-03-01 16.2400
1936-04-01 19.6700
1936-05-01 19.4100
1936-06-01 16.4200
1936-07-01 16.6100
1936-08-01 18.9200
1936-09-01 19.7700
1936-10-01 21.0700
1936-11-01 13.2300
1936-12-01 7.45000
1937-01-01 7.06000
1937-02-01 20.6800
1937-03-01 22.9700
1937-04-01 24.3100
1937-05-01 21.5200
1937-06-01 21.4800
1937-07-01 16.9900
1937-08-01 19.8200
1937-09-01 18.2500
1937-10-01 16.4500
1937-11-01 13.8600
1937-12-01 9.88000
1938-01-01 5.57000
1938-02-01 2.90000
1938-03-01 4.14000
1938-04-01 4.16000
1938-05-01 4.21000
1938-06-01 6.48000
1938-07-01 5.99000
1938-08-01 8.35000
1938-09-01 9.66000
1938-10-01 14.0000
1938-11-01 14.0200
1938-12-01 13.8100
1939-01-01 13.4000
1939-02-01 11.1600
1939-03-01 12.9400
1939-04-01 7.98000
1939-05-01 8.82000
1939-06-01 10.2000
1939-07-01 6.82000
1939-08-01 11.4700
1939-09-01 15.0000
1939-10-01 20.1600
1939-11-01 17.3600
1939-12-01 20.2800
1940-01-01 17.2600
1940-02-01 13.1800
1940-03-01 14.3000
1940-04-01 12.3700
1940-05-01 11.7200
1940-06-01 9.78000
1940-07-01 8.52000
1940-08-01 12.5300
1940-09-01 14.0900
1940-10-01 17.0700
1940-11-01 16.0600
1940-12-01 17.4900
1941-01-01 19.3500
1941-02-01 15.6600
1941-03-01 18.2700
1941-04-01 18.3400
1941-05-01 18.3900
1941-06-01 18.5300
1941-07-01 12.4600
1941-08-01 14.1300
1941-09-01 14.9100
1941-10-01 15.7700
1941-11-01 14.2800
1941-12-01 10.3100
1942-01-01 9.14000
1942-02-01 5.60000
1942-03-01 5.56000
1942-04-01 5.57000
1942-05-01 4.31000
1942-06-01 4.73000
1942-07-01 4.19000
1942-08-01 3.86000
1942-09-01 4.74000
1942-10-01 4.92000
1942-11-01 4.61000
1942-12-01 5.00000
1943-01-01 4.91000
1943-02-01 4.78000
1943-03-01 5.24000