| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $45,360 | $27,471 |
| 2016 | $46,344 | $27,845 |
| 2017 | $48,185 | $27,048 |
| 2018 | $48,185 | $27,585 |
| 2019 | $50,757 | $27,051 |
| 2020 | $51,375 | $27,669 |
| 2021* | $52,490 | $28,045 |
| 2022* | $53,629 | $28,427 |
| 2023* | $54,793 | $28,813 |
| 2024* | $55,982 | $29,205 |
| 2025* | $57,196 | $29,602 |