| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $30,350 | $17,022 |
| 2016 | $31,180 | $19,058 |
| 2017 | $32,740 | $20,119 |
| 2018 | $32,740 | $19,938 |
| 2019 | $35,272 | $19,776 |
| 2020 | $35,272 | $19,776 |
| 2021* | $36,235 | $19,776 |
| 2022* | $37,224 | $19,776 |
| 2023* | $38,240 | $19,776 |
| 2024* | $39,284 | $19,776 |
| 2025* | $40,357 | $19,776 |