  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $24.65 |   | $39.37 | 
  | -$14.72 | 
| 2015 | $24.02 | +2.6% | $38.37 | 
+2.6% | -$14.34 | 
| 2014 | $23.57 | +1.9% | $37.65 | 
+1.9% | -$14.07 | 
| 2013 | $23.12 | +1.9% | $36.93 | 
+1.9% | -$13.80 | 
| 2012 | $22.67 | +2.0% | $36.21 | 
+2.0% | -$13.54 | 
| 2011 | $22.32 | +1.6% | $35.65 | 
+1.6% | -$13.32 | 
| 2010 | $21.93 | +1.8% | $35.03 | 
+1.8% | -$13.09 | 
| 2009 | $21.70 | +1.1% | $34.65 | 
+1.1% | -$12.95 | 
| 2008 | $21.05 | +3.1% | $33.62 | 
+3.1% | -$12.57 | 
| 2007 | $20.35 | +3.5% | $32.50 | 
+3.5% | -$12.14 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $24.65 |   | $19.32 | 
  | $5.33 | 
| 2015 | $24.02 | +2.6% | $18.78 | 
+2.9% | $5.24 | 
| 2014 | $23.57 | +1.9% | $18.38 | 
+2.2% | $5.20 | 
| 2013 | $23.12 | +1.9% | $18.01 | 
+2.1% | $5.12 | 
| 2012 | $22.67 | +2.0% | $17.70 | 
+1.7% | $4.98 | 
| 2011 | $22.32 | +1.6% | $17.42 | 
+1.6% | $4.90 | 
| 2010 | $21.93 | +1.8% | $17.13 | 
+1.7% | $4.80 | 
| 2009 | $21.70 | +1.1% | $16.90 | 
+1.4% | $4.80 | 
| 2008 | $21.05 | +3.1% | $16.46 | 
+2.6% | $4.59 | 
| 2007 | $20.35 | +3.5% | $15.94 | 
+3.3% | $4.41 | 
  | 
| Reference Date: 1st Quarter 2016 |