| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $39,850 | $25,468 |
| 2016 | $41,520 | $25,384 |
| 2017 | $42,451 | $25,095 |
| 2018 | $42,451 | $24,746 |
| 2019 | $44,240 | $25,188 |
| 2020 | $54,310 | $35,258 |
| 2021* | $56,586 | $35,142 |
| 2022* | $58,957 | $35,026 |
| 2023* | $61,427 | $34,910 |
| 2024* | $64,001 | $34,795 |
| 2025* | $66,682 | $34,680 |
