| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $48,828 | $31,274 |
| 2016 | $51,928 | $32,695 |
| 2017 | $52,030 | $31,879 |
| 2018 | $52,030 | $30,470 |
| 2019 | $56,174 | $31,836 |
| 2020 | $58,088 | $33,750 |
| 2021* | $60,069 | $35,262 |
| 2022* | $62,117 | $36,842 |
| 2023* | $64,235 | $38,492 |
| 2024* | $66,426 | $40,217 |
| 2025* | $68,691 | $42,018 |
