| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $58,035 | $37,352 |
| 2016 | $60,184 | $37,837 |
| 2017 | $61,260 | $38,075 |
| 2018 | $61,260 | $36,719 |
| 2019 | $66,260 | $38,926 |
| 2020 | $68,628 | $41,294 |
| 2021* | $71,078 | $41,831 |
| 2022* | $73,616 | $42,375 |
| 2023* | $76,244 | $42,925 |
| 2024* | $78,965 | $43,484 |
| 2025* | $81,785 | $44,049 |