Monthly Million Square Feet
1956-01-01 77.1000
1956-02-01 88.6000
1956-03-01 112.000
1956-04-01 127.300
1956-05-01 122.400
1956-06-01 112.900
1956-07-01 105.400
1956-08-01 112.400
1956-09-01 95.7000
1956-10-01 96.0000
1956-11-01 81.4000
1956-12-01 62.5000
1957-01-01 73.3000
1957-02-01 82.1000
1957-03-01 99.4000
1957-04-01 113.500
1957-05-01 120.100
1957-06-01 106.400
1957-07-01 117.400
1957-08-01 116.900
1957-09-01 105.200
1957-10-01 106.600
1957-11-01 86.4000
1957-12-01 67.2000
1958-01-01 72.6000
1958-02-01 68.5000
1958-03-01 98.4000
1958-04-01 114.700
1958-05-01 124.500
1958-06-01 125.700
1958-07-01 140.700
1958-08-01 132.400
1958-09-01 131.200
1958-10-01 144.600
1958-11-01 107.800
1958-12-01 89.1000
1959-01-01 92.5000
1959-02-01 95.3000
1959-03-01 139.400
1959-04-01 162.300
1959-05-01 149.700
1959-06-01 155.500
1959-07-01 147.400
1959-08-01 136.800
1959-09-01 128.600
1959-10-01 128.300
1959-11-01 95.8000
1959-12-01 88.3000
1960-01-01 82.3000
1960-02-01 86.2000
1960-03-01 112.300
1960-04-01 128.300
1960-05-01 125.300
1960-06-01 128.300
1960-07-01 113.800
1960-08-01 123.600
1960-09-01 108.100
1960-10-01 114.700
1960-11-01 109.200
1960-12-01 74.4000
1961-01-01 81.0000
1961-02-01 74.4000
1961-03-01 118.700
1961-04-01 123.600
1961-05-01 132.100
1961-06-01 131.600
1961-07-01 125.100
1961-08-01 134.700
1961-09-01 116.200
1961-10-01 129.000
1961-11-01 110.400
1961-12-01 92.1000
1962-01-01 102.300
1962-02-01 100.500
1962-03-01 130.800
1962-04-01 154.300
1962-05-01 154.000
1962-06-01 138.300
1962-07-01 136.200
1962-08-01 138.400
1962-09-01 124.100
1962-10-01 135.500
1962-11-01 114.900
1962-12-01 98.1000
1963-01-01 105.900
1963-02-01 104.000
1963-03-01 140.000
1963-04-01 170.400
1963-05-01 176.700
1963-06-01 167.400
1963-07-01 165.600
1963-08-01 158.700
1963-09-01 153.200
1963-10-01 174.100
1963-11-01 130.600
1963-12-01 114.800