| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,390 | $22,480 |
| 2016 | $45,540 | $23,306 |
| 2017 | $46,540 | $22,954 |
| 2018 | $46,540 | $22,635 |
| 2019 | $48,770 | $22,521 |
| 2020 | $49,640 | $23,391 |
| 2021* | $50,732 | $23,274 |
| 2022* | $51,848 | $23,158 |
| 2023* | $52,989 | $23,042 |
| 2024* | $54,155 | $22,927 |
| 2025* | $55,346 | $22,812 |
