| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,268 | $37,335 |
| 2016 | $67,600 | $40,237 |
| 2017 | $70,125 | $39,114 |
| 2018 | $70,125 | $40,342 |
| 2019 | $75,400 | $42,143 |
| 2020 | $75,922 | $42,665 |
| 2021* | $78,632 | $44,005 |
| 2022* | $81,440 | $45,386 |
| 2023* | $84,347 | $46,812 |
| 2024* | $87,358 | $48,281 |
| 2025* | $90,477 | $49,797 |