| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,050 | $28,044 |
| 2016 | $43,393 | $26,208 |
| 2017 | $44,551 | $27,889 |
| 2018 | $44,551 | $27,888 |
| 2019 | $47,093 | $26,582 |
| 2020 | $48,414 | $27,903 |
| 2021* | $49,707 | $27,903 |
| 2022* | $51,034 | $27,903 |
| 2023* | $52,396 | $27,903 |
| 2024* | $53,795 | $27,903 |
| 2025* | $55,232 | $27,903 |