| Year | Level |
|---|---|
|
2004 |
188.9 |
|
2005 |
195.3 |
|
2006 |
201.6 |
|
2007 |
207.342 |
|
2008 |
215.303 |
|
2009 |
214.537 |
|
2010 |
218.056 |
|
2011 |
224.939 |
|
2012 |
229.594 |
|
2013 |
232.957 |
|
2014 |
236.736 |
|
2015 |
237.017 |
|
Source: U.S. Bureau of Labor Statistics. |
|