| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $28,784 | N/A |
| 2016 | $29,284 | $21,856 |
| 2017 | $28,370 | $20,326 |
| 2018 | $28,370 | $20,804 |
| 2019 | $23,251 | $13,249 |
| 2020 | $24,576 | $14,574 |
| 2021* | $24,576 | $14,236 |
| 2022* | $24,576 | $13,906 |
| 2023* | $24,576 | $13,583 |
| 2024* | $24,576 | $13,268 |
| 2025* | $24,576 | $12,960 |