Month	Number Of Concerns
1939-01-01	1142.00
1939-02-01	879.000
1939-03-01	935.000
1939-04-01	950.000
1939-05-01	952.000
1939-06-01	792.000
1939-07-01	843.000
1939-08-01	813.000
1939-09-01	757.000
1939-10-01	901.000
1939-11-01	822.000
1939-12-01	798.000
1940-01-01	912.000
1940-02-01	744.000
1940-03-01	877.000
1940-04-01	895.000
1940-05-01	877.000
1940-06-01	798.000
1940-07-01	854.000
1940-08-01	834.000
1940-09-01	696.000
1940-10-01	796.000
1940-11-01	735.000
1940-12-01	793.000
1941-01-01	866.000
1941-02-01	823.000
1941-03-01	905.000
1941-04-01	853.000
1941-05-01	835.000
1941-06-01	717.000
1941-07-01	644.000
1941-08-01	666.000
1941-09-01	527.000
1941-10-01	585.000
1941-11-01	586.000
1941-12-01	627.000
1942-01-01	685.000
1942-02-01	659.000
1942-03-01	735.000
1942-04-01	689.000
1942-05-01	716.000
1942-06-01	554.000
1942-07-01	529.000
1942-08-01	466.000
1942-09-01	398.000
1942-10-01	470.000
1942-11-01	397.000
1942-12-01	351.000
1943-01-01	298.000
1943-02-01	289.000
1943-03-01	267.000
1943-04-01	219.000
1943-05-01	179.000
1943-06-01	162.000
1943-07-01	117.000
1943-08-01	148.000
1943-09-01	73.0000
1943-10-01	93.0000
1943-11-01	89.0000
1943-12-01	84.0000
1944-01-01	63.0000
1944-02-01	59.0000
1944-03-01	48.0000
1944-04-01	65.0000
1944-05-01	74.0000
1944-06-01	58.0000
1944-07-01	49.0000
1944-08-01	37.0000
1944-09-01	31.0000
1944-10-01	29.0000
1944-11-01	27.0000
1944-12-01	47.0000
1945-01-01	28.0000
1945-02-01	30.0000
1945-03-01	44.0000
1945-04-01	49.0000
1945-05-01	34.0000
1945-06-01	32.0000
1945-07-01	35.0000
1945-08-01	22.0000
1945-09-01	19.0000
1945-10-01	22.0000
1945-11-01	24.0000
1945-12-01	12.0000
1946-01-01	25.0000
1946-02-01	36.0000
1946-03-01	27.0000
1946-04-01	35.0000
1946-05-01	30.0000
1946-06-01	28.0000
1946-07-01	22.0000
1946-08-01	31.0000
1946-09-01	36.0000
1946-10-01	38.0000
1946-11-01	44.0000
1946-12-01	51.0000
1947-01-01	103.000
1947-02-01	104.000
1947-03-01	112.000
1947-04-01	121.000
1947-05-01	170.000
1947-06-01	144.000
1947-07-01	145.000
1947-08-01	146.000
1947-09-01	143.000
1947-10-01	184.000
1947-11-01	141.000
1947-12-01	156.000
1948-01-01	196.000
1948-02-01	200.000
1948-03-01	251.000
1948-04-01	225.000
1948-05-01	230.000
1948-06-01	248.000
1948-07-01	228.000
1948-08-01	255.000
1948-09-01	225.000
1948-10-01	257.000
1948-11-01	263.000
1948-12-01	276.000
1949-01-01	343.000
1949-02-01	408.000
1949-03-01	468.000
1949-04-01	504.000
1949-05-01	452.000
1949-06-01	464.000
1949-07-01	421.000
1949-08-01	481.000
1949-09-01	411.000
1949-10-01	473.000
1949-11-01	492.000
1949-12-01	439.000
1950-01-01	513.000
1950-02-01	499.000
1950-03-01	518.000
1950-04-01	491.000
1950-05-01	535.000
1950-06-01	430.000
1950-07-01	416.000
1950-08-01	472.000
1950-09-01	383.000
1950-10-01	402.000
1950-11-01	379.000
1950-12-01	407.000
1951-01-01	483.000
1951-02-01	373.000
1951-03-01	465.000
1951-04-01	441.000
1951-05-01	469.000
1951-06-01	456.000
1951-07-01	406.000
1951-08-01	397.000
1951-09-01	347.000
1951-10-01	351.000
1951-11-01	365.000
1951-12-01	362.000
1952-01-01	410.000
1952-02-01	364.000
1952-03-01	440.000
1952-04-01	458.000
1952-05-01	392.000
1952-06-01	413.000
1952-07-01	358.000
1952-08-01	376.000
1952-09-01	346.000
1952-10-01	345.000
1952-11-01	346.000
1952-12-01	333.000
1953-01-01	400.000
1953-02-01	424.000
1953-03-01	437.000
1953-04-01	419.000
1953-05-01	418.000
1953-06-01	499.000
1953-07-01	453.000
1953-08-01	411.000
1953-09-01	421.000
1953-10-01	488.000
1953-11-01	477.000
1953-12-01	467.000
1954-01-01	529.000
1954-02-01	536.000
1954-03-01	674.000
1954-04-01	617.000
1954-05-01	551.000
1954-06-01	544.000
1954-07-01	516.000
1954-08-01	545.000
1954-09-01	519.000
1954-10-01	505.000
1954-11-01	576.000
1954-12-01	511.000
1955-01-01	570.000
1955-02-01	516.000
1955-03-01	639.000
1955-04-01	577.000
1955-05-01	586.000
1955-06-01	525.000
1955-07-01	512.000
1955-08-01	537.000
1955-09-01	465.000
1955-10-01	522.000
1955-11-01	546.000
1955-12-01	508.000
1956-01-01	641.000
1956-02-01	619.000
1956-03-01	694.000
1956-04-01	555.000
1956-05-01	693.000
1956-06-01	666.000
1956-07-01	625.000
1956-08-01	665.000
1956-09-01	574.000
1956-10-01	696.000
1956-11-01	576.000
1956-12-01	544.000
1957-01-01	703.000
1957-02-01	674.000
1957-03-01	793.000
1957-04-01	695.000
1957-05-01	732.000
1957-06-01	648.000
1957-07-01	644.000
1957-08-01	685.000
1957-09-01	631.000
1957-10-01	643.000
1957-11-01	673.000
1957-12-01	610.000
1958-01-01	806.000
1958-02-01	774.000
1958-03-01	891.000