| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $51,291 | $26,173 |
| 2016 | $53,183 | $27,225 |
| 2017 | $54,529 | $34,491 |
| 2018 | $54,529 | $32,661 |
| 2019 | $56,908 | $34,673 |
| 2020 | $58,422 | $36,187 |
| 2021* | $59,976 | $37,768 |
| 2022* | $61,571 | $39,419 |
| 2023* | $63,209 | $41,141 |
| 2024* | $64,891 | $42,939 |
| 2025* | $66,617 | $44,816 |
