Month	Percentage
1948-01-01	4.00000
1948-02-01	2.00000
1948-03-01	-8.00000
1948-04-01	-14.0000
1948-05-01	-14.0000
1948-06-01	-10.0000
1948-07-01	-6.00000
1948-08-01	-2.00000
1948-09-01	-7.00000
1948-10-01	-5.00000
1948-11-01	-11.0000
1948-12-01	-31.0000
1949-01-01	-49.0000
1949-02-01	-67.0000
1949-03-01	-78.0000
1949-04-01	-86.0000
1949-05-01	-96.0000
1949-06-01	-109.000
1949-07-01	-108.000
1949-08-01	-93.0000
1949-09-01	-79.0000
1949-10-01	-71.0000
1949-11-01	-61.0000
1949-12-01	-56.0000
1950-01-01	-44.0000
1950-02-01	-34.0000
1950-03-01	-26.0000
1950-04-01	-4.00000
1950-05-01	19.0000
1950-06-01	45.0000
1950-07-01	77.0000
1950-08-01	115.000
1950-09-01	139.000
1950-10-01	148.000
1950-11-01	157.000
1950-12-01	167.000
1951-01-01	185.000
1951-02-01	203.000
1951-03-01	212.000
1951-04-01	206.000
1951-05-01	200.000
1951-06-01	188.000
1951-07-01	176.000
1951-08-01	165.000
1951-09-01	168.000
1951-10-01	170.000
1951-11-01	172.000
1951-12-01	162.000
1952-01-01	156.000
1952-02-01	148.000
1952-03-01	144.000
1952-04-01	133.000
1952-05-01	126.000
1952-06-01	120.000
1952-07-01	114.000
1952-08-01	126.000
1952-09-01	142.000
1952-10-01	152.000
1952-11-01	163.000
1952-12-01	167.000
1953-01-01	177.000
1953-02-01	183.000
1953-03-01	183.000
1953-04-01	189.000
1953-05-01	187.000
1953-06-01	183.000
1953-07-01	179.000
1953-08-01	173.000
1953-09-01	165.000
1953-10-01	153.000
1953-11-01	145.000
1953-12-01	129.000
1954-01-01	119.000
1954-02-01	119.000
1954-03-01	126.000
1954-04-01	139.000
1954-05-01	149.000
1954-06-01	161.000
1954-07-01	173.000
1954-08-01	183.000
1954-09-01	198.000
1954-10-01	216.000
1954-11-01	234.000
1954-12-01	250.000
1955-01-01	262.000
1955-02-01	286.000
1955-03-01	310.000
1955-04-01	336.000
1955-05-01	358.000
1955-06-01	368.000
1955-07-01	378.000
1955-08-01	403.000
1955-09-01	419.000
1955-10-01	437.000
1955-11-01	449.000
1955-12-01	459.000
1956-01-01	467.000
1956-02-01	473.000
1956-03-01	481.000
1956-04-01	489.000
1956-05-01	493.000
1956-06-01	491.000
1956-07-01	489.000
1956-08-01	497.000
1956-09-01	510.000
1956-10-01	517.000
1956-11-01	525.000
1956-12-01	521.000
1957-01-01	525.000
1957-02-01	527.000
1957-03-01	528.000
1957-04-01	529.000
1957-05-01	526.000