| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $53,200 | $28,911 |
| 2016 | $55,550 | $28,859 |
| 2017 | $58,450 | $30,710 |
| 2018 | $58,450 | $29,493 |
| 2019 | $63,690 | $32,123 |
| 2020 | $66,374 | $34,807 |
| 2021* | $69,308 | $37,038 |
| 2022* | $72,371 | $39,412 |
| 2023* | $75,570 | $41,939 |
| 2024* | $78,910 | $44,627 |
| 2025* | $82,398 | $47,487 |