| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $37,552 | N/A |
| 2016 | $38,922 | $24,057 |
| 2017 | $40,552 | $23,817 |
| 2018 | $40,552 | $22,012 |
| 2019 | $42,958 | $24,410 |
| 2020 | $44,592 | $26,044 |
| 2021* | $46,286 | $26,786 |
| 2022* | $48,045 | $27,550 |
| 2023* | $49,871 | $28,335 |
| 2024* | $51,766 | $29,142 |
| 2025* | $53,733 | $29,973 |
