| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $38,848 | $34,603 |
| 2016 | $39,742 | $35,497 |
| 2017 | $39,742 | $31,090 |
| 2018 | $39,742 | $34,557 |
| 2019 | $45,360 | $41,622 |
| 2020 | $47,582 | $43,844 |
| 2021* | $48,676 | $46,185 |
| 2022* | $49,796 | $48,652 |
| 2023* | $50,941 | $51,250 |
| 2024* | $52,113 | $53,986 |
| 2025* | $53,311 | $56,869 |
