| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $58,799 | $39,733 |
| 2016 | $61,459 | $42,362 |
| 2017 | $64,220 | $43,920 |
| 2018 | $64,220 | $43,897 |
| 2019 | $71,942 | $49,970 |
| 2020 | $73,822 | $51,850 |
| 2021* | $77,137 | $53,800 |
| 2022* | $80,600 | $55,822 |
| 2023* | $84,219 | $57,921 |
| 2024* | $88,000 | $60,099 |
| 2025* | $91,952 | $62,359 |