| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $43,400 | $26,823 |
| 2016 | $44,500 | $27,194 |
| 2017 | $45,900 | $27,437 |
| 2018 | $45,900 | $28,426 |
| 2019 | $49,360 | $37,195 |
| 2020 | $50,640 | $38,475 |
| 2021* | $51,952 | $39,799 |
| 2022* | $53,297 | $41,168 |
| 2023* | $54,678 | $42,584 |
| 2024* | $56,094 | $44,049 |
| 2025* | $57,546 | $45,564 |
