  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $38.81 |   | $26.73 | 
  | $12.08 | 
| 2015 | $37.78 | +2.7% | $26.02 | 
+2.7% | $11.76 | 
| 2014 | $37.03 | +2.0% | $25.50 | 
+2.0% | $11.52 | 
| 2013 | $36.56 | +1.3% | $25.18 | 
+1.3% | $11.38 | 
| 2012 | $36.02 | +1.5% | $24.81 | 
+1.5% | $11.21 | 
| 2011 | $35.52 | +1.4% | $24.47 | 
+1.4% | $11.06 | 
| 2010 | $35.15 | +1.1% | $24.21 | 
+1.1% | $10.94 | 
| 2009 | $34.46 | +2.0% | $23.73 | 
+2.0% | $10.73 | 
| 2008 | $33.52 | +2.8% | $23.09 | 
+2.8% | $10.43 | 
| 2007 | $32.21 | +4.1% | $22.18 | 
+4.1% | $10.02 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $38.81 |   | $20.98 | 
  | $17.83 | 
| 2015 | $37.78 | +2.7% | $20.39 | 
+2.9% | $17.38 | 
| 2014 | $37.03 | +2.0% | $19.96 | 
+2.2% | $17.07 | 
| 2013 | $36.56 | +1.3% | $19.55 | 
+2.1% | $17.00 | 
| 2012 | $36.02 | +1.5% | $19.22 | 
+1.7% | $16.81 | 
| 2011 | $35.52 | +1.4% | $18.92 | 
+1.6% | $16.61 | 
| 2010 | $35.15 | +1.1% | $18.60 | 
+1.7% | $16.55 | 
| 2009 | $34.46 | +2.0% | $18.35 | 
+1.4% | $16.11 | 
| 2008 | $33.52 | +2.8% | $17.88 | 
+2.6% | $15.64 | 
| 2007 | $32.21 | +4.1% | $17.31 | 
+3.3% | $14.90 | 
  | 
| Reference Date: 1st Quarter 2016 |