Monthly Million Square Feet
1956-01-01 16.5700
1956-02-01 16.8000
1956-03-01 23.4100
1956-04-01 24.8800
1956-05-01 21.7300
1956-06-01 22.6000
1956-07-01 21.7400
1956-08-01 23.3900
1956-09-01 20.4700
1956-10-01 19.3900
1956-11-01 17.5900
1956-12-01 15.7900
1957-01-01 19.2200
1957-02-01 16.7100
1957-03-01 22.7400
1957-04-01 20.4500
1957-05-01 24.1000
1957-06-01 22.3600
1957-07-01 23.2800
1957-08-01 22.9100
1957-09-01 19.7000
1957-10-01 19.4400
1957-11-01 18.4700
1957-12-01 15.1200
1958-01-01 18.8800
1958-02-01 15.3900
1958-03-01 21.0200
1958-04-01 21.0000
1958-05-01 20.3200
1958-06-01 18.9900
1958-07-01 23.1800
1958-08-01 25.4300
1958-09-01 22.5000
1958-10-01 23.5400
1958-11-01 18.8600
1958-12-01 16.1900
1959-01-01 20.2400
1959-02-01 15.2800
1959-03-01 24.2300
1959-04-01 27.6300
1959-05-01 26.5100
1959-06-01 23.7500
1959-07-01 29.3000
1959-08-01 24.6300
1959-09-01 25.4100
1959-10-01 27.2900
1959-11-01 18.9100
1959-12-01 19.9500
1960-01-01 20.3800
1960-02-01 16.6200
1960-03-01 22.7400
1960-04-01 24.6600
1960-05-01 24.9400
1960-06-01 25.9800
1960-07-01 25.0900
1960-08-01 29.3500
1960-09-01 26.4000
1960-10-01 26.7700
1960-11-01 22.0300
1960-12-01 21.0500
1961-01-01 20.0000
1961-02-01 18.0900
1961-03-01 25.6800
1961-04-01 24.5000
1961-05-01 26.6000
1961-06-01 25.0000
1961-07-01 27.1500
1961-08-01 27.6000
1961-09-01 28.4100
1961-10-01 26.3200
1961-11-01 25.9200
1961-12-01 21.1300
1962-01-01 20.9800
1962-02-01 20.5500
1962-03-01 29.6000
1962-04-01 26.9700
1962-05-01 33.8400
1962-06-01 29.7700
1962-07-01 28.6700
1962-08-01 30.5400
1962-09-01 30.1300
1962-10-01 28.3900
1962-11-01 26.9700
1962-12-01 23.8400
1963-01-01 25.5900
1963-02-01 21.0500
1963-03-01 24.9600
1963-04-01 26.2100
1963-05-01 33.9100
1963-06-01 35.8400
1963-07-01 32.6000
1963-08-01 32.5600
1963-09-01 29.4700
1963-10-01 35.6000
1963-11-01 26.7800
1963-12-01 26.1800