Month	Million Square Feet
1923-01-01	26.7000
1923-02-01	25.7000
1923-03-01	42.4000
1923-04-01	42.3000
1923-05-01	39.6000
1923-06-01	28.2000
1923-07-01	26.8000
1923-08-01	27.5000
1923-09-01	25.3000
1923-10-01	39.3000
1923-11-01	36.2000
1923-12-01	33.2000
1924-01-01	37.9000
1924-02-01	31.3000
1924-03-01	49.5000
1924-04-01	47.7000
1924-05-01	39.8000
1924-06-01	34.0000
1924-07-01	25.5000
1924-08-01	28.0000
1924-09-01	28.2000
1924-10-01	32.1000
1924-11-01	34.6000
1924-12-01	33.2000
1925-01-01	26.8000
1925-02-01	27.9000
1925-03-01	45.5000
1925-04-01	51.5000
1925-05-01	48.1000
1925-06-01	43.0000
1925-07-01	48.1000
1925-08-01	52.1000
1925-09-01	46.8000
1925-10-01	52.2000
1925-11-01	50.3000
1925-12-01	48.3000
1926-01-01	37.7000
1926-02-01	31.9000
1926-03-01	49.1000
1926-04-01	51.8000
1926-05-01	48.8000
1926-06-01	44.2000
1926-07-01	35.0000
1926-08-01	39.8000
1926-09-01	40.2000
1926-10-01	41.8000
1926-11-01	41.7000
1926-12-01	37.0000
1927-01-01	29.8000
1927-02-01	31.0000
1927-03-01	47.9000
1927-04-01	47.7000
1927-05-01	38.2000
1927-06-01	42.0000
1927-07-01	34.8000
1927-08-01	39.4000
1927-09-01	38.1000
1927-10-01	45.6000
1927-11-01	41.0000
1927-12-01	38.7000
1928-01-01	37.5000
1928-02-01	42.6000
1928-03-01	54.6000
1928-04-01	55.3000
1928-05-01	56.7000
1928-06-01	52.0000
1928-07-01	43.1000
1928-08-01	42.9000
1928-09-01	39.3000
1928-10-01	48.3000
1928-11-01	40.5000
1928-12-01	36.2000