| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $49,302 | $26,129 |
| 2016 | $50,755 | $26,828 |
| 2017 | $52,178 | $27,171 |
| 2018 | $52,178 | $25,869 |
| 2019 | $55,946 | $27,433 |
| 2020 | $57,845 | $29,332 |
| 2021* | $59,551 | $30,118 |
| 2022* | $61,308 | $30,925 |
| 2023* | $63,117 | $31,754 |
| 2024* | $64,979 | $32,605 |
| 2025* | $66,896 | $33,479 |