| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $67,212 | $36,300 |
| 2016 | $69,711 | $36,533 |
| 2017 | $72,209 | $38,064 |
| 2018 | $72,209 | $35,523 |
| 2019 | $77,397 | $40,180 |
| 2020 | $80,151 | $42,934 |
| 2021* | $83,020 | $44,733 |
| 2022* | $85,993 | $46,607 |
| 2023* | $89,071 | $48,560 |
| 2024* | $92,260 | $50,595 |
| 2025* | $95,563 | $52,715 |
