| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $42,026 | $24,623 |
| 2016 | $41,532 | $21,279 |
| 2017 | $44,682 | $29,743 |
| 2018 | $44,682 | $25,577 |
| 2019 | $49,313 | $27,448 |
| 2020 | $51,210 | $29,345 |
| 2021* | $53,182 | $31,373 |
| 2022* | $55,229 | $33,541 |
| 2023* | $57,355 | $35,858 |
| 2024* | $59,564 | $38,336 |
| 2025* | $61,857 | $40,985 |
