| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,143 | $26,450 |
| 2016 | $67,227 | $25,321 |
| 2017 | $69,635 | $24,682 |
| 2018 | $69,635 | $26,359 |
| 2019 | $75,423 | $24,637 |
| 2020 | $78,465 | $27,679 |
| 2021* | $81,274 | $26,981 |
| 2022* | $84,184 | $26,302 |
| 2023* | $87,197 | $25,639 |
| 2024* | $90,319 | $24,993 |
| 2025* | $93,553 | $24,363 |