| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $57,477 | $33,251 |
| 2016 | $60,322 | $33,892 |
| 2017 | $61,218 | $34,202 |
| 2018 | $61,218 | $34,319 |
| 2019 | $65,092 | $35,101 |
| 2020 | $65,390 | $35,399 |
| 2021* | $66,364 | $35,721 |
| 2022* | $67,353 | $36,046 |
| 2023* | $68,357 | $36,374 |
| 2024* | $69,375 | $36,705 |
| 2025* | $70,409 | $37,039 |
