| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $53,752 | $26,792 |
| 2016 | $55,070 | $26,622 |
| 2017 | $56,618 | $27,941 |
| 2018 | $56,618 | $25,058 |
| 2019 | $59,976 | $24,845 |
| 2020 | $60,606 | $25,475 |
| 2021* | $62,091 | $25,315 |
| 2022* | $63,612 | $25,155 |
| 2023* | $65,171 | $24,997 |
| 2024* | $66,767 | $24,839 |
| 2025* | $68,403 | $24,683 |
