Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2012 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 2011 5.1 5.5 5.3 5.2 5.2 5.0 5.0 5.2 5.6 5.4 5.2 4.8 2010 3.7 3.7 4.4 5.3 5.1 5.0 4.8 4.7 4.6 4.5 4.7 4.8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2012
~
2011
5.1
5.5
5.3
5.2
5.0
5.6
5.4
4.8
2010
3.7
4.4
4.7
4.6
4.5
