| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $42,410 | $25,816 |
| 2016 | $44,554 | $26,493 |
| 2017 | $46,710 | $27,465 |
| 2018 | $46,710 | $26,601 |
| 2019 | $50,470 | $28,120 |
| 2020 | $52,530 | $30,180 |
| 2021* | $55,072 | $31,288 |
| 2022* | $57,738 | $32,436 |
| 2023* | $60,532 | $33,626 |
| 2024* | $63,462 | $34,860 |
| 2025* | $66,534 | $36,140 |
