  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $26.65 |   | $37.86 | 
  | -$11.21 | 
| 2015 | $25.97 | +2.6% | $36.90 | 
+2.6% | -$10.92 | 
| 2014 | $25.49 | +1.9% | $36.21 | 
+1.9% | -$10.72 | 
| 2013 | $25.00 | +1.9% | $35.52 | 
+1.9% | -$10.51 | 
| 2012 | $24.51 | +2.0% | $34.83 | 
+2.0% | -$10.31 | 
| 2011 | $24.13 | +1.6% | $34.28 | 
+1.6% | -$10.15 | 
| 2010 | $23.71 | +1.8% | $33.68 | 
+1.8% | -$9.97 | 
| 2009 | $23.46 | +1.1% | $33.32 | 
+1.1% | -$9.86 | 
| 2008 | $22.76 | +3.1% | $32.33 | 
+3.1% | -$9.57 | 
| 2007 | $22.00 | +3.5% | $31.25 | 
+3.5% | -$9.25 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $26.65 |   | $18.24 | 
  | $8.41 | 
| 2015 | $25.97 | +2.6% | $17.73 | 
+2.9% | $8.24 | 
| 2014 | $25.49 | +1.9% | $17.35 | 
+2.2% | $8.14 | 
| 2013 | $25.00 | +1.9% | $17.00 | 
+2.1% | $8.00 | 
| 2012 | $24.51 | +2.0% | $16.71 | 
+1.7% | $7.80 | 
| 2011 | $24.13 | +1.6% | $16.45 | 
+1.6% | $7.69 | 
| 2010 | $23.71 | +1.8% | $16.17 | 
+1.7% | $7.54 | 
| 2009 | $23.46 | +1.1% | $15.95 | 
+1.4% | $7.51 | 
| 2008 | $22.76 | +3.1% | $15.54 | 
+2.6% | $7.22 | 
| 2007 | $22.00 | +3.5% | $15.05 | 
+3.3% | $6.95 | 
  | 
| Reference Date: 1st Quarter 2016 |