The annual and hourly salary statistics of grinding and polishing workers in Philadelphia-Camden-Wilmington, Pennsylvania are shown in Table 1 and Table 2, respectively. The wage information of grinding and polishing workers in Philadelphia-Camden-Wilmington is based on the national compensation survey conducted by the U.S. Bureau of Labor Statistics in 2017 and published in April 2018 [1].
| Percentile Bracket | Average Annual Salary |
|---|---|
| 10th Percentile Wage | $23,570 |
| 25th Percentile Wage | $28,350 |
| 50th Percentile Wage | $34,400 |
| 75th Percentile Wage | $42,220 |
| 90th Percentile Wage | $56,340 |
Table 1 shows the average annual salary for grinding and polishing workers in Philadelphia-Camden-Wilmington, Pennsylvania in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $56,340. The median (50th percentile) annual salary is $34,400. The average annual salary for the bottom 10 percent earners is $23,570.
The table and chart below show the trend of the median salary of grinding and polishing workers from 2012 to 2017.
| Year | Median Salary | Yearly Growth | 5-Year Growth |
|---|---|---|---|
| 2017 | $34,400 | 6.77% | 12.33% |
| 2016 | $32,070 | 5.86% | - |
| 2015 | $30,190 | -1.92% | - |
| 2014 | $30,770 | 7.57% | - |
| 2013 | $28,440 | -6.05% | - |
| 2012 | $30,160 | - | - |
From Table 3 we note that the median annual salary of $34,400 in Philadelphia-Camden-Wilmington is in the middle of salary range for grinding and polishing workers in state of Pennsylvania. In comparison, the annual salary of grinding and polishing workers in Philadelphia-Camden-Wilmington is 20.8 percent (20.8%) lower than that in the highest paying Harrisburg-Carlisle and 48.0 percent (48.0%) higher than that in the lowest paying Erie.