| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $50,481 | $28,356 |
| 2016 | $52,236 | $28,543 |
| 2017 | $53,855 | $30,190 |
| 2018 | $53,855 | $29,523 |
| 2019 | $57,525 | $29,816 |
| 2020 | $59,154 | $31,445 |
| 2021* | $60,988 | $31,756 |
| 2022* | $62,878 | $32,071 |
| 2023* | $64,828 | $32,388 |
| 2024* | $66,837 | $32,709 |
| 2025* | $68,909 | $33,033 |
