The annual and hourly salary statistics of grinding and polishing workers in Riverside-San Bernardino-Ontario, California are shown in Table 1 and Table 2, respectively. The wage information of grinding and polishing workers in Riverside-San Bernardino-Ontario 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 | $22,600 |
| 25th Percentile Wage | $25,310 |
| 50th Percentile Wage | $28,470 |
| 75th Percentile Wage | $31,630 |
| 90th Percentile Wage | $46,110 |
Table 1 shows the average annual salary for grinding and polishing workers in Riverside-San Bernardino-Ontario, California in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $46,110. The median (50th percentile) annual salary is $28,470. The average annual salary for the bottom 10 percent earners is $22,600.
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 | $28,470 | 6.53% | 5.37% |
| 2016 | $26,610 | 0.00% | - |
| 2015 | $26,610 | 0.83% | - |
| 2014 | $26,390 | 9.55% | - |
| 2013 | $23,870 | -12.86% | - |
| 2012 | $26,940 | - | - |
From Table 3 we note that the median annual salary of $28,470 in Riverside-San Bernardino-Ontario is in the middle of salary range for grinding and polishing workers in state of California. In comparison, the annual salary of grinding and polishing workers in Riverside-San Bernardino-Ontario is 28.6 percent (28.6%) lower than that in the highest paying Santa Rosa-Petaluma and 18.9 percent (18.9%) higher than that in the lowest paying Los Angeles-Long Beach-Santa Ana.