Month	Percent
1840-01-01	3.29000
1840-02-01	3.30000
1840-03-01	3.31000
1840-04-01	3.30000
1840-05-01	3.26000
1840-06-01	3.24000
1840-07-01	3.28000
1840-08-01	3.31000
1840-09-01	3.39000
1840-10-01	3.43000
1840-11-01	3.36000
1840-12-01	3.32000
1841-01-01	3.34000
1841-02-01	3.37000
1841-03-01	3.39000
1841-04-01	3.33000
1841-05-01	3.33000
1841-06-01	3.33000
1841-07-01	3.34000
1841-08-01	3.35000
1841-09-01	3.35000
1841-10-01	3.39000
1841-11-01	3.38000
1841-12-01	3.36000
1842-01-01	3.36000
1842-02-01	3.36000
1842-03-01	3.35000
1842-04-01	3.27000
1842-05-01	3.26000
1842-06-01	3.24000
1842-07-01	3.29000
1842-08-01	3.25000
1842-09-01	3.23000
1842-10-01	3.21000
1842-11-01	3.18000
1842-12-01	3.18000
1843-01-01	3.18000
1843-02-01	3.16000
1843-03-01	3.12000
1843-04-01	3.10000
1843-05-01	3.11000
1843-06-01	3.17000
1843-07-01	3.19000
1843-08-01	3.19000
1843-09-01	3.15000
1843-10-01	3.14000
1843-11-01	3.12000
1843-12-01	3.10000
1844-01-01	3.08000
1844-02-01	3.08000
1844-03-01	3.05000
1844-04-01	3.01000
1844-05-01	3.01000
1844-06-01	3.00000
1844-07-01	3.02000
1844-08-01	3.03000
1844-09-01	3.01000
1844-10-01	2.99000
1844-11-01	2.99000
1844-12-01	2.97000
1845-01-01	2.99000
1845-02-01	3.01000
1845-03-01	3.00000
1845-04-01	3.01000
1845-05-01	3.03000
1845-06-01	3.01000
1845-07-01	3.03000
1845-08-01	3.03000
1845-09-01	3.05000
1845-10-01	3.07000
1845-11-01	3.12000
1845-12-01	3.16000
1846-01-01	3.17000
1846-02-01	3.13000
1846-03-01	3.13000
1846-04-01	3.12000
1846-05-01	3.12000
1846-06-01	3.12000
1846-07-01	3.12000
1846-08-01	3.13000
1846-09-01	3.13000
1846-10-01	3.15000
1846-11-01	3.19000
1846-12-01	3.15000
1847-01-01	3.26000
1847-02-01	3.30000
1847-03-01	3.34000
1847-04-01	3.44000
1847-05-01	3.44000
1847-06-01	3.39000
1847-07-01	3.38000
1847-08-01	3.44000
1847-09-01	3.46000
1847-10-01	3.64000
1847-11-01	3.57000
1847-12-01	3.49000
1848-01-01	3.41000
1848-02-01	3.47000
1848-03-01	3.64000
1848-04-01	3.67000
1848-05-01	3.57000
1848-06-01	3.56000
1848-07-01	3.42000
1848-08-01	3.43000
1848-09-01	3.48000
1848-10-01	3.51000
1848-11-01	3.45000
1848-12-01	3.41000
1849-01-01	3.32000
1849-02-01	3.23000
1849-03-01	3.28000
1849-04-01	3.25000
1849-05-01	3.27000
1849-06-01	3.26000
1849-07-01	3.23000
1849-08-01	3.23000
1849-09-01	3.24000
1849-10-01	3.24000
1849-11-01	3.18000
1849-12-01	3.10000
1850-01-01	3.09000
1850-02-01	3.14000
1850-03-01	3.14000
1850-04-01	3.12000
1850-05-01	3.12000
1850-06-01	3.09000
1850-07-01	3.10000
1850-08-01	3.10000
1850-09-01	3.11000
1850-10-01	3.09000
1850-11-01	3.09000
1850-12-01	3.06000
1851-01-01	3.10000
1851-02-01	3.11000
1851-03-01	3.10000
1851-04-01	3.09000
1851-05-01	3.08000
1851-06-01	3.06000
1851-07-01	3.10000
1851-08-01	3.11000
1851-09-01	3.11000
1851-10-01	3.08000
1851-11-01	3.05000
1851-12-01	3.06000
1852-01-01	3.10000
1852-02-01	3.10000
1852-03-01	3.06000
1852-04-01	3.02000
1852-05-01	3.00000
1852-06-01	2.98000
1852-07-01	2.98000
1852-08-01	3.01000
1852-09-01	3.00000
1852-10-01	2.99000
1852-11-01	2.97000
1852-12-01	2.96000