| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $30,492 | $17,066 |
| 2016 | $32,388 | $18,346 |
| 2017 | $32,982 | $19,372 |
| 2018 | $32,982 | $19,915 |
| 2019 | $28,280 | $13,916 |
| 2020 | $27,002 | $12,638 |
| 2021* | $27,002 | $12,992 |
| 2022* | $27,002 | $13,356 |
| 2023* | $27,002 | $13,730 |
| 2024* | $27,002 | $14,114 |
| 2025* | $27,002 | $14,509 |