| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $26,530 | $23,235 |
| 2016 | $27,560 | $22,999 |
| 2017 | $28,190 | $24,129 |
| 2018 | $28,190 | $21,113 |
| 2019 | $33,134 | $25,609 |
| 2020 | $33,134 | $25,609 |
| 2021* | $33,893 | $25,609 |
| 2022* | $34,669 | $25,609 |
| 2023* | $35,463 | $25,609 |
| 2024* | $36,275 | $25,609 |
| 2025* | $37,106 | $25,609 |
