| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $58,615 | $36,376 |
| 2016 | $60,375 | $33,204 |
| 2017 | $62,203 | $34,546 |
| 2018 | $62,203 | $35,300 |
| 2019 | $66,173 | $37,816 |
| 2020 | $68,148 | $39,791 |
| 2021* | $70,192 | $41,399 |
| 2022* | $72,298 | $43,071 |
| 2023* | $74,467 | $44,811 |
| 2024* | $76,701 | $46,621 |
| 2025* | $79,002 | $48,505 |
