| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $45,081 | $26,163 |
| 2016 | $46,575 | $27,140 |
| 2017 | $48,110 | $27,530 |
| 2018 | $48,110 | $27,987 |
| 2019 | $52,014 | $28,847 |
| 2020 | $53,820 | $30,653 |
| 2021* | $55,601 | $31,594 |
| 2022* | $57,442 | $32,564 |
| 2023* | $59,343 | $33,564 |
| 2024* | $61,307 | $34,594 |
| 2025* | $63,337 | $35,656 |
