| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $34,336 | $27,815 |
| 2016 | $36,184 | $31,637 |
| 2017 | $40,202 | $34,116 |
| 2018 | $40,202 | $33,371 |
| 2019 | $45,354 | $38,539 |
| 2020 | $45,354 | $38,539 |
| 2021* | $47,794 | $41,560 |
| 2022* | $50,365 | $44,819 |
| 2023* | $53,075 | $48,333 |
| 2024* | $55,930 | $52,122 |
| 2025* | $58,940 | $56,208 |
