| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $27,451 | $17,348 |
| 2016 | $26,594 | $19,667 |
| 2017 | $28,224 | $20,788 |
| 2018 | $28,224 | $20,675 |
| 2019 | $30,522 | $22,015 |
| 2020 | $30,240 | $21,733 |
| 2021* | $30,240 | $22,972 |
| 2022* | $30,240 | $24,281 |
| 2023* | $30,240 | $25,665 |
| 2024* | $30,240 | $27,128 |
| 2025* | $30,240 | $28,674 |
