| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $67,072 | $42,853 |
| 2016 | $69,323 | $43,759 |
| 2017 | $71,854 | $45,962 |
| 2018 | $71,854 | $44,324 |
| 2019 | $76,506 | $45,870 |
| 2020 | $78,831 | $48,195 |
| 2021* | $81,480 | $49,877 |
| 2022* | $84,217 | $51,618 |
| 2023* | $87,047 | $53,419 |
| 2024* | $89,972 | $55,284 |
| 2025* | $92,995 | $57,213 |