Month	Million Square Feet
1923-01-01	42.7000
1923-02-01	49.1000
1923-03-01	71.7000
1923-04-01	72.9000
1923-05-01	72.4000
1923-06-01	52.8000
1923-07-01	48.7000
1923-08-01	47.7000
1923-09-01	44.7000
1923-10-01	61.8000
1923-11-01	56.5000
1923-12-01	53.2000
1924-01-01	55.3000
1924-02-01	54.2000
1924-03-01	77.3000
1924-04-01	72.6000
1924-05-01	68.1000
1924-06-01	56.5000
1924-07-01	48.4000
1924-08-01	49.4000
1924-09-01	51.1000
1924-10-01	54.6000
1924-11-01	54.6000
1924-12-01	53.2000
1925-01-01	47.5000
1925-02-01	46.1000
1925-03-01	73.1000
1925-04-01	81.4000
1925-05-01	78.2000
1925-06-01	76.2000
1925-07-01	81.6000
1925-08-01	88.1000
1925-09-01	81.6000
1925-10-01	80.5000
1925-11-01	76.1000
1925-12-01	74.6000
1926-01-01	61.0000
1926-02-01	52.0000
1926-03-01	81.7000
1926-04-01	82.6000
1926-05-01	79.5000
1926-06-01	73.0000
1926-07-01	65.2000
1926-08-01	71.5000
1926-09-01	71.2000
1926-10-01	68.5000
1926-11-01	67.2000
1926-12-01	60.7000
1927-01-01	49.9000
1927-02-01	51.6000
1927-03-01	81.8000
1927-04-01	79.1000
1927-05-01	69.5000
1927-06-01	73.6000
1927-07-01	64.4000
1927-08-01	69.1000
1927-09-01	64.0000
1927-10-01	73.1000
1927-11-01	65.1000
1927-12-01	60.1000
1928-01-01	59.9000
1928-02-01	64.6000
1928-03-01	83.6000
1928-04-01	90.6000
1928-05-01	89.8000
1928-06-01	90.5000
1928-07-01	78.3000
1928-08-01	74.9000
1928-09-01	72.7000
1928-10-01	82.5000
1928-11-01	69.6000
1928-12-01	62.0000