| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,480 | $23,821 |
| 2016 | $67,740 | $25,615 |
| 2017 | $70,370 | $26,823 |
| 2018 | $70,370 | $25,853 |
| 2019 | $75,240 | $27,323 |
| 2020 | $78,250 | $30,333 |
| 2021* | $81,286 | $32,059 |
| 2022* | $84,440 | $33,883 |
| 2023* | $87,716 | $35,811 |
| 2024* | $91,120 | $37,849 |
| 2025* | $94,655 | $40,002 |