Month	Per Cent
1948-01-01	8.33000
1948-02-01	6.75000
1948-03-01	4.93000
1948-04-01	2.90000
1948-05-01	7.33000
1948-06-01	7.07000
1948-07-01	4.36000
1948-08-01	3.39000
1948-09-01	1.68000
1948-10-01	-1.67000
1948-11-01	-5.90000
1948-12-01	-6.83000
1949-01-01	-7350000
1949-02-01	-8.80000
1949-03-01	-9.30000
1949-04-01	-8.41000
1949-05-01	-5.83000
1949-06-01	-5.37000
1949-07-01	-3.94000
1949-08-01	-2.24000
1949-09-01	-1.00000
1949-10-01	0.000000
1949-11-01	0.250000
1949-12-01	0.500000
1950-01-01	1.26000
1950-02-01	3.52000
1950-03-01	4.27000
1950-04-01	8.78000
1950-05-01	12.7500
1950-06-01	16.5000
1950-07-01	18.2300
1950-08-01	18.5400
1950-09-01	23.1200
1950-10-01	23.5600
1950-11-01	20.4500
1950-12-01	16.6300
1951-01-01	14.4200
1951-02-01	11.7600
1951-03-01	5.29000
1951-04-01	-0.650000
1951-05-01	-3.20000
1951-06-01	-3.62000
1951-07-01	-3.42000
1951-08-01	-3.63000
1951-09-01	-2.58000
1951-10-01	-2.37000
1951-11-01	-1.95000
1951-12-01	-2.17000
1952-01-01	-3.04000
1952-02-01	-2.61000
1952-03-01	-3.05000
1952-04-01	-2.18000
1952-05-01	-0.880000
1952-06-01	-0.220000
1952-07-01	-0.220000
1952-08-01	-1.10000
1952-09-01	-1.55000
1952-10-01	-1.32000
1952-11-01	-2.42000
1952-12-01	-1.98000
1953-01-01	-1.32000
1953-02-01	0.670000
1953-03-01	1.34000
1953-04-01	2.89000
1953-05-01	2.89000
1953-06-01	2.89000
1953-07-01	2.44000
1953-08-01	0.880000
1953-09-01	1.55000
1953-10-01	0.440000
1953-11-01	0.220000
1953-12-01	-0.220000
1954-01-01	1.10000
1954-02-01	1.76000
1954-03-01	0.220000
1954-04-01	-0.220000
1954-05-01	0.440000
1954-06-01	0.000000
1954-07-01	-1.31000
1954-08-01	-1.31000
1954-09-01	0.220000
1954-10-01	0.000000
1954-11-01	0.220000
1954-12-01	0.220000
1955-01-01	1.32000
1955-02-01	1.10000
1955-03-01	1.31000
1955-04-01	1.97000
1955-05-01	2.40000
1955-06-01	4.38000
1955-07-01	4.37000
1955-08-01	4.37000
1955-09-01	3.92000
1955-10-01	3.68000
1955-11-01	3.67000
1955-12-01	2.78000
1956-01-01	3.85000
1956-02-01	4.91000
1956-03-01	4.48000
1956-04-01	3.62000
1956-05-01	4.24000
1956-06-01	4.86000
1956-07-01	3.98000
1956-08-01	3.55000
1956-09-01	3.97000
1956-10-01	5.43000
1956-11-01	4.56000
1956-12-01	3.30000
1957-01-01	2.88000
1957-02-01	2.46000
1957-03-01	2.25000
1957-04-01	2.03000
1957-05-01	1.83000
1957-06-01	1.62000
1957-07-01	1.01000
1957-08-01	1.42000
1957-09-01	1.82000
1957-10-01	1.41000
1957-11-01	0.400000
1957-12-01	1.01000
1958-01-01	1.61000
1958-02-01	1.01000
1958-03-01	0.600000
1958-04-01	0.200000
1958-05-01	0.800000
1958-06-01	0.400000
1958-07-01	0.000000
1958-08-01	0.600000
1958-09-01	1.00000
1958-10-01	1.00000
1958-11-01	1.20000
1958-12-01	1.60000
1959-01-01	2.20000
1959-02-01	1.79000
1959-03-01	1.19000
1959-04-01	0.990000
1959-05-01	0.400000
1959-06-01	0.200000
1959-07-01	-0.590000
1959-08-01	-0.990000
1959-09-01	-0.790000
1959-10-01	-0.200000
1959-11-01	0.200000
1959-12-01	0.590000
1960-01-01	0.990000
1960-02-01	0.600000
1960-03-01	0.790000
1960-04-01	0.400000
1960-05-01	0.000000
1960-06-01	-0.790000
1960-07-01	-0.590000
1960-08-01	0.000000
1960-09-01	-0.200000
1960-10-01	0.200000
1960-11-01	0.590000
1960-12-01	0.790000
1961-01-01	0.000000
1961-02-01	-0.990000
1961-03-01	-1.39000
1961-04-01	-1.78000
1961-05-01	-1.78000
1961-06-01	-1.78000
1961-07-01	-1.39000
1961-08-01	-0.200000
1961-09-01	0.800000
1961-10-01	1.20000
1961-11-01	0.800000
1961-12-01	0.600000
1962-01-01	0.800000
1962-02-01	0.600000
1962-03-01	-0.200000
1962-04-01	-0.400000
1962-05-01	-0.200000
1962-06-01	0.790000
1962-07-01	0.000000
1962-08-01	0.000000
1962-09-01	0.000000
1962-10-01	-0.400000
1962-11-01	-0.600000
1962-12-01	-1.78000
1963-01-01	-1.39000
1963-02-01	-0.600000
1963-03-01	0.400000
1963-04-01	0.800000
1963-05-01	0.800000
1963-06-01	1.00000
1963-07-01	1.80000
1963-08-01	1.00000
1963-09-01	0.200000
1963-10-01	0.590000
1963-11-01	0.600000
1963-12-01	0.400000
1964-01-01	0.000000
1964-02-01	-0.200000
1964-03-01	-0.200000
1964-04-01	-0.390000
1964-05-01	-0.200000
1964-06-01	0.590000
1964-07-01	0.990000
1964-08-01	1.19000
1964-09-01	1.39000
1964-10-01	1.38000
1964-11-01	1.58000
1964-12-01	1.19000
1965-01-01	1.38000
1965-02-01	1.97000
1965-03-01	2.96000
1965-04-01	2.55000
1965-05-01	2.75000
1965-06-01	2.75000
1965-07-01	2.55000
1965-08-01	2.54000
1965-09-01	2.14000
1965-10-01	2.52000
1965-11-01	3.29000
1965-12-01	3.49000
1966-01-01	3.29000
1966-02-01	3.47000
1966-03-01	2.88000
1966-04-01	3.07000
1966-05-01	2.86000
1966-06-01	2.67000
1966-07-01	2.28000
1966-08-01	1.33000
1966-09-01	1.14000
1966-10-01	0.750000
1966-11-01	0.000000
1966-12-01	-0.190000
1967-01-01	-0.19000
1967-02-01	0.190000
1967-03-01	0.750000
1967-04-01	0.750000
1967-05-01	0.750000
1967-06-01	1.51000
1967-07-01	1.69000
1967-08-01	1.69000
1967-09-01	1.88000
1967-10-01	2.43000
1967-11-01	3.56000