| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $49,022 | $20,016 |
| 2016 | $49,517 | $23,642 |
| 2017 | $50,900 | $28,669 |
| 2018 | $50,900 | $27,175 |
| 2019 | $53,606 | $28,392 |
| 2020 | $55,128 | $29,914 |
| 2021* | $56,666 | $31,517 |
| 2022* | $58,247 | $33,207 |
| 2023* | $59,872 | $34,987 |
| 2024* | $61,543 | $36,862 |
| 2025* | $63,260 | $38,838 |
