| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,678 | $27,079 |
| 2016 | $49,344 | $28,757 |
| 2017 | $51,994 | $30,998 |
| 2018 | $51,994 | $32,448 |
| 2019 | $56,118 | $32,526 |
| 2020 | $58,012 | $34,420 |
| 2021* | $60,037 | $36,423 |
| 2022* | $62,132 | $38,543 |
| 2023* | $64,300 | $40,786 |
| 2024* | $66,544 | $43,160 |
| 2025* | $68,867 | $45,672 |
