| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $56,796 | $37,879 |
| 2016 | $59,174 | $39,696 |
| 2017 | $60,233 | $39,805 |
| 2018 | $60,233 | $38,883 |
| 2019 | $64,880 | $40,321 |
| 2020 | $67,080 | $42,521 |
| 2021* | $69,354 | $44,094 |
| 2022* | $71,705 | $45,726 |
| 2023* | $74,136 | $47,418 |
| 2024* | $76,649 | $49,172 |
| 2025* | $79,248 | $50,991 |
