| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $39,210 | $24,294 |
| 2016 | $40,864 | $26,655 |
| 2017 | $42,821 | $25,940 |
| 2018 | $42,821 | $24,345 |
| 2019 | $47,077 | $26,294 |
| 2020 | $49,312 | $28,529 |
| 2021* | $51,654 | $30,814 |
| 2022* | $54,108 | $33,282 |
| 2023* | $56,678 | $35,948 |
| 2024* | $59,370 | $38,828 |
| 2025* | $62,190 | $41,938 |
