| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $23,140 | $16,200 |
| 2016 | $24,010 | $14,489 |
| 2017 | $27,874 | $18,820 |
| 2018 | $27,874 | $17,065 |
| 2019 | $28,874 | $22,110 |
| 2020 | $28,874 | $22,110 |
| 2021* | $29,911 | $22,110 |
| 2022* | $30,984 | $22,110 |
| 2023* | $32,097 | $22,110 |
| 2024* | $33,249 | $22,110 |
| 2025* | $34,443 | $22,110 |