Monthly Million Square Feet
1956-01-01 58.7000
1956-02-01 55.9000
1956-03-01 78.5000
1956-04-01 82.2000
1956-05-01 75.2000
1956-06-01 72.5000
1956-07-01 76.3000
1956-08-01 72.2000
1956-09-01 65.7000
1956-10-01 64.1000
1956-11-01 65.8000
1956-12-01 55.7000
1957-01-01 63.3000
1957-02-01 60.8000
1957-03-01 76.8000
1957-04-01 63.7000
1957-05-01 80.2000
1957-06-01 80.8000
1957-07-01 71.6000
1957-08-01 68.6000
1957-09-01 64.0000
1957-10-01 66.4000
1957-11-01 61.3000
1957-12-01 51.0000
1958-01-01 53.9000
1958-02-01 52.3000
1958-03-01 66.5000
1958-04-01 63.8000
1958-05-01 76.1000
1958-06-01 68.1000
1958-07-01 75.5000
1958-08-01 75.7000
1958-09-01 62.9000
1958-10-01 69.7000
1958-11-01 57.3000
1958-12-01 52.6000
1959-01-01 55.9000
1959-02-01 50.2000
1959-03-01 69.2000
1959-04-01 87.6000
1959-05-01 78.9000
1959-06-01 73.4000
1959-07-01 82.9000
1959-08-01 69.8000
1959-09-01 72.0000
1959-10-01 75.0000
1959-11-01 58.5000
1959-12-01 58.7000
1960-01-01 56.3000
1960-02-01 51.7000
1960-03-01 75.5000
1960-04-01 75.6000
1960-05-01 82.0000
1960-06-01 79.0000
1960-07-01 80.6000
1960-08-01 80.4000
1960-09-01 74.2000
1960-10-01 77.3000
1960-11-01 65.7000
1960-12-01 63.9000
1961-01-01 55.8000
1961-02-01 52.7000
1961-03-01 75.6000
1961-04-01 73.7000
1961-05-01 77.8000
1961-06-01 76.2000
1961-07-01 79.0000
1961-08-01 79.2000
1961-09-01 72.9000
1961-10-01 69.1000
1961-11-01 73.6000
1961-12-01 63.5000
1962-01-01 58.0000
1962-02-01 57.8000
1962-03-01 84.3000
1962-04-01 80.6000
1962-05-01 90.7000
1962-06-01 84.7000
1962-07-01 80.0000
1962-08-01 82.2000
1962-09-01 73.5000
1962-10-01 77.0000
1962-11-01 72.5000
1962-12-01 64.6000
1963-01-01 66.8000
1963-02-01 65.2000
1963-03-01 78.5000
1963-04-01 75.9000
1963-05-01 95.7000
1963-06-01 97.4000
1963-07-01 86.2000
1963-08-01 91.9000
1963-09-01 77.5000
1963-10-01 93.2000
1963-11-01 72.5000
1963-12-01 69.4000