| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $21,750 | $10,571 |
| 2016 | $22,250 | $12,038 |
| 2017 | $22,750 | $12,461 |
| 2018 | $22,750 | $10,001 |
| 2019 | $23,750 | $10,728 |
| 2020 | $23,750 | $10,728 |
| 2021* | $24,284 | $11,105 |
| 2022* | $24,831 | $11,494 |
| 2023* | $25,389 | $11,898 |
| 2024* | $25,961 | $12,315 |
| 2025* | $26,545 | $12,748 |