The annual and hourly salary statistics of crushing, grinding, and polishing machine setters, operators, and tenders in Ames, Iowa are shown in Table 1 and Table 2, respectively. The wage data of crushing, grinding, and polishing machine setters, operators, and tenders in Ames 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 | $21,730 |
| 25th Percentile Wage | $24,650 |
| 50th Percentile Wage | $33,250 |
| 75th Percentile Wage | $38,840 |
| 90th Percentile Wage | $43,930 |
Table 1 shows the average annual salary for crushing, grinding, and polishing machine setters, operators, and tenders in Ames, Iowa in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $43,930. The median (50th percentile) annual salary is $33,250. The average annual salary for the bottom 10 percent earners is $21,730.
The table and chart below show the trend of the median salary of crushing, grinding, and polishing machine setters, operators, and tenders from 2012 to 2017. Note that there is no salary data for some years between 2012 and 2017.
| Year | Median Salary | Growth | 5-Year Growth |
|---|---|---|---|
| 2017 | $33,250 | 10.17% | 10.17% |
| 2016 | $29,870 | 0.00% | - |
| 2012 | $29,870 | - | - |
From Table 3 we note that the median annual salary of $33,250 in Ames is in the middle of salary range for crushing, grinding, and polishing machine setters, operators, and tenders in state of Iowa. In comparison, the annual salary of crushing, grinding, and polishing machine setters, operators, and tenders in Ames is 27.6 percent (27.6%) lower than that in the highest paying Southeast Iowa nonmetropolitan area and 11.1 percent (11.1%) higher than that in the lowest paying Davenport-Moline-Rock Island.