| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $50,698 | $28,584 |
| 2016 | $51,858 | $26,134 |
| 2017 | $53,422 | $26,762 |
| 2018 | $53,422 | $25,890 |
| 2019 | $56,700 | $27,304 |
| 2020 | $58,552 | $29,156 |
| 2021* | $60,320 | $29,856 |
| 2022* | $62,142 | $30,572 |
| 2023* | $64,019 | $31,306 |
| 2024* | $65,952 | $32,057 |
| 2025* | $67,944 | $32,827 |
