| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $37,900 | $19,459 |
| 2016 | $38,500 | $19,438 |
| 2017 | $38,500 | $25,380 |
| 2018 | $38,500 | $24,321 |
| 2019 | $40,775 | $25,625 |
| 2020 | $41,400 | $26,250 |
| 2021* | $42,033 | $26,890 |
| 2022* | $42,677 | $27,547 |
| 2023* | $43,329 | $28,219 |
| 2024* | $43,992 | $28,907 |
| 2025* | $44,666 | $29,613 |