| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,699 | $25,599 |
| 2016 | $44,309 | $26,808 |
| 2017 | $46,594 | $28,394 |
| 2018 | $46,594 | $27,066 |
| 2019 | $52,338 | $27,099 |
| 2020 | $53,173 | $27,934 |
| 2021* | $55,917 | $28,794 |
| 2022* | $58,802 | $29,681 |
| 2023* | $61,836 | $30,595 |
| 2024* | $65,027 | $31,538 |
| 2025* | $68,382 | $32,509 |
