| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | N/A | N/A |
| 2016 | $28,995 | $25,640 |
| 2017 | $29,195 | $24,938 |
| 2018 | $29,195 | $21,844 |
| 2019 | N/A | N/A |
| 2020 | $31,750 | $25,034 |
| 2021* | $31,858 | $23,139 |
| 2022* | $31,966 | $21,387 |
| 2023* | $32,075 | $19,768 |
| 2024* | $32,184 | $18,272 |
| 2025* | $32,293 | $16,889 |
