Month	Number Of Buildings
1925-01-01	11222.0
1925-02-01	12634.0
1925-03-01	20835.0
1925-04-01	21050.0
1925-05-01	18854.0
1925-06-01	17718.0
1925-07-01	18810.0
1925-08-01	18726.0
1925-09-01	16068.0
1925-10-01	19125.0
1925-11-01	16377.0
1925-12-01	14709.0
1926-01-01	12044.0
1926-02-01	11028.0
1926-03-01	18438.0
1926-04-01	20115.0
1926-05-01	18932.0
1926-06-01	17499.0
1926-07-01	13948.0
1926-08-01	14510.0
1926-09-01	14853.0
1926-10-01	15695.0
1926-11-01	15010.0
1926-12-01	12305.0
1927-01-01	10381.0
1927-02-01	13001.0
1927-03-01	19514.0
1927-04-01	19333.0
1927-05-01	16583.0
1927-06-01	17755.0
1927-07-01	14270.0
1927-08-01	16788.0
1927-09-01	16403.0
1927-10-01	16920.0
1927-11-01	16919.0
1927-12-01	13037.0
1928-01-01	13489.0
1928-02-01	15588.0
1928-03-01	20612.0
1928-04-01	21558.0
1928-05-01	21454.0
1928-06-01	20053.0
1928-07-01	15804.0
1928-08-01	16213.0
1928-09-01	15179.0
1928-10-01	17968.0
1928-11-01	14474.0
1928-12-01	11985.0
1929-01-01	10509.0
1929-02-01	10177.0
1929-03-01	17055.0
1929-04-01	19944.0
1929-05-01	17237.0
1929-06-01	14185.0
1929-07-01	13322.0
1929-08-01	12332.0
1929-09-01	10946.0
1929-10-01	11716.0
1929-11-01	8192.00
1929-12-01	5379.00
1930-01-01	5784.00
1930-02-01	6118.00
1930-03-01	9082.00
1930-04-01	11250.0
1930-05-01	9922.00
1930-06-01	9190.00
1930-07-01	7791.00
1930-08-01	7273.00
1930-09-01	7558.00
1930-10-01	8873.00
1930-11-01	7178.00
1930-12-01	5333.00
1931-01-01	4899.00
1931-02-01	7481.00
1931-03-01	8521.00
1931-04-01	9706.00
1931-05-01	9676.00
1931-06-01	7488.00
1931-07-01	7144.00
1931-08-01	6631.00
1931-09-01	6140.00
1931-10-01	6787.00
1931-11-01	5387.00
1931-12-01	4428.00
1932-01-01	3366.00
1932-02-01	3714.00
1932-03-01	4655.00
1932-04-01	4464.00
1932-05-01	4328.00
1932-06-01	3709.00
1932-07-01	3409.00
1932-08-01	3835.00
1932-09-01	4081.00
1932-10-01	3861.00
1932-11-01	3072.00
1932-12-01	2190.00
1933-01-01	2147.00
1933-02-01	2174.00
1933-03-01	3565.00
1933-04-01	4357.00
1933-05-01	9127.00
1933-06-01	6550.00
1933-07-01	4880.00
1933-08-01	4553.00
1933-09-01	4008.00
1933-10-01	3788.00
1933-11-01	3378.00
1933-12-01	3469.00
1934-01-01	4939.00
1934-02-01	5484.00
1934-03-01	8187.00
1934-04-01	8109.00
1934-05-01	10897.0
1934-06-01	8746.00
1934-07-01	6120.00
1934-08-01	6430.00
1934-09-01	5065.00
1934-10-01	6908.00
1934-11-01	5366.00
1934-12-01	3643.00
1935-01-01	6103.00
1935-02-01	4937.00
1935-03-01	6733.00
1935-04-01	8424.00
1935-05-01	8396.00
1935-06-01	7854.00
1935-07-01	7726.00
1935-08-01	6969.00
1935-09-01	6950.00
1935-10-01	7948.00
1935-11-01	5900.00
1935-12-01	5190.00
1936-01-01	4831.00
1936-02-01	4176.00
1936-03-01	7602.00
1936-04-01	10386.0
1936-05-01	10516.0
1936-06-01	10211.0
1936-07-01	10582.0
1936-08-01	11047.0
1936-09-01	11396.0
1936-10-01	10378.0
1936-11-01	9508.00
1936-12-01	8330.00
1937-01-01	7477.00
1937-02-01	8317.00
1937-03-01	12525.0
1937-04-01	13965.0
1937-05-01	11829.0
1937-06-01	11798.0
1937-07-01	10136.0
1937-08-01	10200.0
1937-09-01	10115.0
1937-10-01	9867.00
1937-11-01	8538.00
1937-12-01	5592.00
1938-01-01	5300.00
1938-02-01	6266.00
1938-03-01	9938.00
1938-04-01	10554.0
1938-05-01	12209.0
1938-06-01	12673.0
1938-07-01	12757.0
1938-08-01	13488.0
1938-09-01	11600.0
1938-10-01	13907.0
1938-11-01	12515.0
1938-12-01	10413.0
1939-01-01	9750.00
1939-02-01	9669.00
1939-03-01	15438.0
1939-04-01	17387.0
1939-05-01	18262.0
1939-06-01	15942.0
1939-07-01	16287.0
1939-08-01	18003.0
1939-09-01	17589.0
1939-10-01	17136.0
1939-11-01	17756.0
1939-12-01	14899.0
1940-01-01	10132.0
1940-02-01	11807.0
1940-03-01	19053.0
1940-04-01	20594.0
1940-05-01	22939.0
1940-06-01	20584.0
1940-07-01	22387.0
1940-08-01	24277.0
1940-09-01	24758.0
1940-10-01	24888.0
1940-11-01	24009.0
1940-12-01	24976.0
1941-01-01	16936.0
1941-02-01	19746.0
1941-03-01	25325.0
1941-04-01	29499.0
1941-05-01	38093.0
1941-06-01	37527.0
1941-07-01	39429.0
1941-08-01	37234.0
1941-09-01	31791.0
1941-10-01	29246.0
1941-11-01	22633.0
1941-12-01	18344.0
1942-01-01	19838.0
1942-02-01	34492.0
1942-03-01	47731.0
1942-04-01	26683.0
1942-05-01	28024.0
1942-06-01	33002.0
1942-07-01	18924.0
1942-08-01	17110.0
1942-09-01	18556.0
1942-10-01	22218.0
1942-11-01	21826.0
1942-12-01	21302.0
1943-01-01	17428.0
1943-02-01	12155.0
1943-03-01	10295.0
1943-04-01	10440.0
1943-05-01	9197.00
1943-06-01	10424.0
1943-07-01	10506.0
1943-08-01	10988.0
1943-09-01	8189.00
1943-10-01	10747.0
1943-11-01	8156.00
1943-12-01	10438.0
1944-01-01	6841.00
1944-02-01	5239.00
1944-03-01	5914.00
1944-04-01	5886.00
1944-05-01	5499.00
1944-06-01	3942.00
1944-07-01	3854.00
1944-08-01	3886.00
1944-09-01	4217.00
1944-10-01	4764.00
1944-11-01	4481.00
1944-12-01	3093.00
1945-01-01	4268.00
1945-02-01	4221.00
1945-03-01	4650.00
1945-04-01	5555.00
1945-05-01	7436.00
1945-06-01	6184.00
1945-07-01	6277.00
1945-08-01	5895.00
1945-09-01	6140.00
1945-10-01	7325.00
1945-11-01	9297.00
1945-12-01	9190.00
1946-01-01	10071.0
1946-02-01	11469.0
1946-03-01	34066.0
1946-04-01	46652.0
1946-05-01	56264.0
1946-06-01	41574.0
1946-07-01	31112.0
1946-08-01	33727.0
1946-09-01	31458.0
1946-10-01	28128.0
1946-11-01	22251.0
1946-12-01	21704.0
1947-01-01	23593.0
1947-02-01	20440.0
1947-03-01	27414.0
1947-04-01	24284.0
1947-05-01	21255.0
1947-06-01	17604.0
1947-07-01	21568.0
1947-08-01	24789.0
1947-09-01	21154.0
1947-10-01	29473.0
1947-11-01	24147.0
1947-12-01	17402.0
1948-01-01	18899.0
1948-02-01	16336.0
1948-03-01	23227.0
1948-04-01	30448.0
1948-05-01	30320.0
1948-06-01	26366.0
1948-07-01	28780.0
1948-08-01	27085.0
1948-09-01	22507.0
1948-10-01	23304.0
1948-11-01	20472.0
1948-12-01	19529.0
1949-01-01	11855.0
1949-02-01	12770.0
1949-03-01	19288.0
1949-04-01	26016.0
1949-05-01	27912.0
1949-06-01	30549.0
1949-07-01	26170.0
1949-08-01	31829.0
1949-09-01	37192.0
1949-10-01	37289.0
1949-11-01	35224.0
1949-12-01	29918.0
1950-01-01	27229.0
1950-02-01	31650.0
1950-03-01	47547.0
1950-04-01	52568.0
1950-05-01	57843.0
1950-06-01	52989.0
1950-07-01	53268.0
1950-08-01	62025.0
1950-09-01	42906.0
1950-10-01	42960.0
1950-11-01	40368.0
1950-12-01	34152.0
1951-01-01	32455.0
1951-02-01	37742.0
1951-03-01	42497.0
1951-04-01	43197.0
1951-05-01	45856.0
1951-06-01	37588.0
1951-07-01	37173.0
1951-08-01	39864.0
1951-09-01	35789.0
1951-10-01	36152.0
1951-11-01	31162.0
1951-12-01	24204.0
1952-01-01	27380.0
1952-02-01	29069.0
1952-03-01	38860.0
1952-04-01	43447.0
1952-05-01	55759.0
1952-06-01	43012.0
1952-07-01	43465.0
1952-08-01	44943.0
1952-09-01	40440.0
1952-10-01	43312.0
1952-11-01	35487.0
1952-12-01	29808.0
1953-01-01	30674.0
1953-02-01	29960.0
1953-03-01	44115.0
1953-04-01	47761.0
1953-05-01	44317.0
1953-06-01	32745.0
1953-07-01	44227.0
1953-08-01	38554.0
1953-09-01	35712.0
1953-10-01	42610.0
1953-11-01	35668.0
1953-12-01	30492.0
1954-01-01	33442.0
1954-02-01	35621.0
1954-03-01	48718.0
1954-04-01	57531.0
1954-05-01	57019.0
1954-06-01	51414.0
1954-07-01	51988.0
1954-08-01	53403.0
1954-09-01	57928.0
1954-10-01	59900.0
1954-11-01	48656.0
1954-12-01	55407.0
1955-01-01	48796.0
1955-02-01	52583.0
1955-03-01	67539.0
1955-04-01	70088.0
1955-05-01	66558.0
1955-06-01	65459.0
1955-07-01	62799.0
1955-08-01	55514.0
1955-09-01	49211.0
1955-10-01	53033.0
1955-11-01	48346.0
1955-12-01	44302.0
1956-01-01	46314.0
1956-02-01	51942.0
1956-03-01	70833.0
1956-04-01	72290.0
1956-05-01	68847.0
1956-06-01	52936.0
1956-07-01	47203.0
1956-08-01	52044.0
1956-09-01	45351.0
1956-10-01	41071.0
1956-11-01	35815.0
1956-12-01	24389.0