| 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |
January February March April May June July August September October November December | 1775.0 1745.0 1748.1 1735.6 1735.1 1724.2 1714.3 1711.1 1732.6 1757.4 1761.3 1752.1 | 1745.4 1740.2 1737.6 1732.4 1743.9 1721.0 1717.0 1726.7 1748.2 1750.9 1754.7 1739.3 | 1741.1 1738.3 1745.0 1737.5 1733.4 1731.9 1727.9 1729.0 1738.1 1750.8 1739.9 1735.0 | 1727.7 1727.5 1730.5 1731.4 1722.5 1733.2 1719.9 1718.6 1725.0 1739.4 1755.6 1739.9 | 1739.3 1730.9 1743.3 1735.0 1738.7 1737.1 1724.0 1718.1 1740.5 1759.0 1768.9 1753.9 | 1748.1 1746.5 1739.9 1746.0 1746.2 1745.5 1737.1 1710.1 1735.8 1749.7 1760.4 1758.2 | 1759.8 1747.2 1749.6 1750.4 1751.7 1744.4 1740.1 1735.6 1746.8 1754.8 1769.2 1752.8 | 1741.9 1740.8 1741.6 1747.0 1747.9 1746.9 1740.9 1736.0 1744.8 1757.5 1755.1 1755.5 | 1751.4 1746.9 1746.8 1749.4 1745.6 1732.5 1748.3 1758.2 1771.9 1784.7 1796.9 1786.5 | 1780.9 1787.8 1777.3 1785.0 1775.8 1766.9 1754.9 1757.7 1761.4 1769.2 1779.9 1788.5 |