| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $38,750 | $23,817 |
| 2016 | $39,160 | $22,262 |
| 2017 | $39,690 | $20,181 |
| 2018 | $39,690 | $20,497 |
| 2019 | $42,990 | $23,514 |
| 2020 | $45,540 | $26,064 |
| 2021* | $46,155 | $26,473 |
| 2022* | $46,778 | $26,889 |
| 2023* | $47,409 | $27,311 |
| 2024* | $48,049 | $27,740 |
| 2025* | $48,698 | $28,175 |
