| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,650 | $28,224 |
| 2016 | $46,120 | $29,461 |
| 2017 | $47,770 | $31,339 |
| 2018 | $47,770 | $30,139 |
| 2019 | $50,300 | $30,707 |
| 2020 | $50,300 | $30,707 |
| 2021* | $51,955 | $31,284 |
| 2022* | $53,664 | $31,872 |
| 2023* | $55,430 | $32,472 |
| 2024* | $57,253 | $33,082 |
| 2025* | $59,137 | $33,704 |
