| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $27,294 | $21,649 |
| 2016 | $28,364 | $25,384 |
| 2017 | $28,892 | $23,117 |
| 2018 | $28,892 | $22,027 |
| 2019 | $30,955 | $25,218 |
| 2020 | $30,955 | $25,218 |
| 2021* | $31,531 | $25,218 |
| 2022* | $32,117 | $25,218 |
| 2023* | $32,715 | $25,218 |
| 2024* | $33,323 | $25,218 |
| 2025* | $33,943 | $25,218 |
