Monthly Million Square Feet
1956-01-01 26.7600
1956-02-01 20.9900
1956-03-01 29.1300
1956-04-01 32.5300
1956-05-01 32.7300
1956-06-01 29.6100
1956-07-01 30.3000
1956-08-01 29.3500
1956-09-01 25.9300
1956-10-01 27.9700
1956-11-01 28.7200
1956-12-01 24.1900
1957-01-01 25.6500
1957-02-01 26.7900
1957-03-01 33.4600
1957-04-01 27.5400
1957-05-01 36.2200
1957-06-01 33.9500
1957-07-01 29.3300
1957-08-01 30.4600
1957-09-01 29.6000
1957-10-01 30.3500
1957-11-01 29.0400
1957-12-01 22.7300
1958-01-01 25.1200
1958-02-01 26.1600
1958-03-01 32.0800
1958-04-01 31.3500
1958-05-01 39.2900
1958-06-01 35.3100
1958-07-01 34.3100
1958-08-01 33.6400
1958-09-01 28.8100
1958-10-01 30.7400
1958-11-01 26.4500
1958-12-01 24.8900
1959-01-01 24.1600
1959-02-01 22.9800
1959-03-01 30.3900
1959-04-01 39.6100
1959-05-01 32.7300
1959-06-01 34.2700
1959-07-01 35.8500
1959-08-01 28.9900
1959-09-01 29.1000
1959-10-01 28.1400
1959-11-01 23.3500
1959-12-01 24.3500
1960-01-01 22.6300
1960-02-01 21.0800
1960-03-01 35.7600
1960-04-01 31.3600
1960-05-01 35.4800
1960-06-01 35.8200
1960-07-01 33.8700
1960-08-01 32.3400
1960-09-01 29.9900
1960-10-01 30.9300
1960-11-01 26.0300
1960-12-01 30.1800
1961-01-01 24.0600
1961-02-01 24.8600
1961-03-01 34.5900
1961-04-01 33.8600
1961-05-01 35.7100
1961-06-01 36.3200
1961-07-01 35.4500
1961-08-01 29.7400
1961-09-01 29.9600
1961-10-01 29.0000
1961-11-01 30.0900
1961-12-01 26.3600
1962-01-01 24.9300
1962-02-01 24.5300
1962-03-01 35.1300
1962-04-01 35.1200
1962-05-01 36.3200
1962-06-01 38.5300
1962-07-01 33.5600
1962-08-01 29.1900
1962-09-01 29.3700
1962-10-01 30.2400
1962-11-01 28.5700
1962-12-01 26.8400
1963-01-01 27.3200
1963-02-01 28.9800
1963-03-01 35.3800
1963-04-01 33.1200
1963-05-01 38.4300
1963-06-01 38.8100
1963-07-01 34.7100
1963-08-01 35.1400
1963-09-01 30.3600
1963-10-01 35.5100
1963-11-01 28.2700
1963-12-01 29.5700