| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $61,684 | $36,493 |
| 2016 | $63,884 | $39,887 |
| 2017 | $65,980 | $39,875 |
| 2018 | $65,980 | $38,037 |
| 2019 | $71,092 | $42,358 |
| 2020 | $73,872 | $45,138 |
| 2021* | $76,509 | $48,099 |
| 2022* | $79,241 | $51,254 |
| 2023* | $82,069 | $54,617 |
| 2024* | $84,999 | $58,199 |
| 2025* | $88,034 | $62,017 |