  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $15.65 |   | $17.54 | 
  | -$1.89 | 
| 2015 | $15.15 | +3.3% | $16.98 | 
+3.3% | -$1.83 | 
| 2014 | $14.81 | +2.3% | $16.60 | 
+2.3% | -$1.78 | 
| 2013 | $14.53 | +1.9% | $16.29 | 
+1.9% | -$1.75 | 
| 2012 | $14.29 | +1.7% | $16.01 | 
+1.7% | -$1.72 | 
| 2011 | $14.06 | +1.6% | $15.76 | 
+1.6% | -$1.69 | 
| 2010 | $13.91 | +1.1% | $15.59 | 
+1.1% | -$1.67 | 
| 2009 | $13.67 | +1.8% | $15.32 | 
+1.8% | -$1.65 | 
| 2008 | $13.31 | +2.7% | $14.92 | 
+2.7% | -$1.60 | 
| 2007 | $13.00 | +2.3% | $14.57 | 
+2.3% | -$1.57 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $15.65 |   | $19.32 | 
  | -$3.67 | 
| 2015 | $15.15 | +3.3% | $18.78 | 
+2.9% | -$3.62 | 
| 2014 | $14.81 | +2.3% | $18.38 | 
+2.2% | -$3.56 | 
| 2013 | $14.53 | +1.9% | $18.01 | 
+2.1% | -$3.47 | 
| 2012 | $14.29 | +1.7% | $17.70 | 
+1.7% | -$3.40 | 
| 2011 | $14.06 | +1.6% | $17.42 | 
+1.6% | -$3.36 | 
| 2010 | $13.91 | +1.1% | $17.13 | 
+1.7% | -$3.22 | 
| 2009 | $13.67 | +1.8% | $16.90 | 
+1.4% | -$3.23 | 
| 2008 | $13.31 | +2.7% | $16.46 | 
+2.6% | -$3.15 | 
| 2007 | $13.00 | +2.3% | $15.94 | 
+3.3% | -$2.93 | 
  | 
| Reference Date: 1st Quarter 2016 |