Monthly Million Square Feet
1956-01-01 135.800
1956-02-01 144.400
1956-03-01 190.400
1956-04-01 209.500
1956-05-01 197.700
1956-06-01 185.300
1956-07-01 181.700
1956-08-01 184.600
1956-09-01 161.400
1956-10-01 160.000
1956-11-01 147.100
1956-12-01 118.300
1957-01-01 136.500
1957-02-01 142.900
1957-03-01 176.200
1957-04-01 177.200
1957-05-01 200.300
1957-06-01 187.200
1957-07-01 189.000
1957-08-01 185.500
1957-09-01 169.200
1957-10-01 173.000
1957-11-01 147.700
1957-12-01 118.300
1958-01-01 126.500
1958-02-01 121.100
1958-03-01 164.900
1958-04-01 178.300
1958-05-01 200.600
1958-06-01 193.800
1958-07-01 216.100
1958-08-01 208.000
1958-09-01 194.200
1958-10-01 214.300
1958-11-01 165.200
1958-12-01 141.600
1959-01-01 148.300
1959-02-01 145.400
1959-03-01 208.600
1959-04-01 249.800
1959-05-01 228.600
1959-06-01 228.900
1959-07-01 230.300
1959-08-01 206.600
1959-09-01 200.600
1959-10-01 203.300
1959-11-01 154.300
1959-12-01 147.000
1960-01-01 138.600
1960-02-01 137.900
1960-03-01 187.800
1960-04-01 203.900
1960-05-01 207.300
1960-06-01 207.200
1960-07-01 194.300
1960-08-01 204.000
1960-09-01 182.300
1960-10-01 191.900
1960-11-01 174.900
1960-12-01 138.300
1961-01-01 136.800
1961-02-01 127.100
1961-03-01 194.300
1961-04-01 197.300
1961-05-01 209.900
1961-06-01 207.800
1961-07-01 204.100
1961-08-01 213.800
1961-09-01 189.100
1961-10-01 198.000
1961-11-01 184.000
1961-12-01 155.600
1962-01-01 160.300
1962-02-01 158.400
1962-03-01 215.100
1962-04-01 235.000
1962-05-01 244.700
1962-06-01 223.000
1962-07-01 216.100
1962-08-01 220.600
1962-09-01 197.600
1962-10-01 212.500
1962-11-01 187.400
1962-12-01 162.600
1963-01-01 172.800
1963-02-01 169.200
1963-03-01 218.500
1963-04-01 246.300
1963-05-01 272.400
1963-06-01 264.800
1963-07-01 251.800
1963-08-01 250.600
1963-09-01 230.800
1963-10-01 267.300
1963-11-01 203.100
1963-12-01 184.200