| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $53,316 | $31,637 |
| 2016 | $55,636 | $30,259 |
| 2017 | $57,428 | $30,142 |
| 2018 | $57,428 | $25,616 |
| 2019 | $60,712 | $26,791 |
| 2020 | $63,272 | $29,351 |
| 2021* | $65,942 | $29,237 |
| 2022* | $68,725 | $29,123 |
| 2023* | $71,625 | $29,009 |
| 2024* | $74,648 | $28,896 |
| 2025* | $77,798 | $28,783 |
