| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $42,100 | $25,805 |
| 2016 | $44,100 | $27,112 |
| 2017 | $45,440 | $28,184 |
| 2018 | $45,440 | $25,978 |
| 2019 | $47,980 | $25,524 |
| 2020 | $49,258 | $26,802 |
| 2021* | $50,755 | $27,861 |
| 2022* | $52,298 | $28,961 |
| 2023* | $53,888 | $30,105 |
| 2024* | $55,526 | $31,294 |
| 2025* | $57,214 | $32,530 |
