  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $23.53 |   | $51.63 | 
  | -$28.10 | 
| 2015 | $22.72 | +3.6% | $49.84 | 
+3.6% | -$27.12 | 
| 2014 | $22.18 | +2.4% | $48.66 | 
+2.4% | -$26.48 | 
| 2013 | $21.64 | +2.5% | $47.49 | 
+2.5% | -$25.84 | 
| 2012 | $21.29 | +1.7% | $46.71 | 
+1.7% | -$25.42 | 
| 2011 | $20.96 | +1.6% | $45.98 | 
+1.6% | -$25.02 | 
| 2010 | $20.51 | +2.2% | $45.01 | 
+2.2% | -$24.49 | 
| 2009 | $20.36 | +.7% | $44.68 | 
+.7% | -$24.31 | 
| 2008 | $19.73 | +3.2% | $43.30 | 
+3.2% | -$23.56 | 
| 2007 | $19.09 | +3.4% | $41.88 | 
+3.4% | -$22.79 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $23.53 |   | $20.53 | 
  | $3.00 | 
| 2015 | $22.72 | +3.6% | $19.96 | 
+2.9% | $2.76 | 
| 2014 | $22.18 | +2.4% | $19.53 | 
+2.2% | $2.65 | 
| 2013 | $21.64 | +2.5% | $19.14 | 
+2.1% | $2.51 | 
| 2012 | $21.29 | +1.7% | $18.81 | 
+1.7% | $2.48 | 
| 2011 | $20.96 | +1.6% | $18.51 | 
+1.6% | $2.45 | 
| 2010 | $20.51 | +2.2% | $18.20 | 
+1.7% | $2.31 | 
| 2009 | $20.36 | +.7% | $17.95 | 
+1.4% | $2.41 | 
| 2008 | $19.73 | +3.2% | $17.49 | 
+2.6% | $2.24 | 
| 2007 | $19.09 | +3.4% | $16.94 | 
+3.3% | $2.15 | 
  | 
| Reference Date: 1st Quarter 2016 |