| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $61,370 | $27,843 |
| 2016 | $63,040 | $25,241 |
| 2017 | $64,890 | $26,041 |
| 2018 | $64,890 | $26,496 |
| 2019 | $69,750 | $28,141 |
| 2020 | $72,450 | $30,841 |
| 2021* | $74,573 | $31,819 |
| 2022* | $76,758 | $32,827 |
| 2023* | $79,007 | $33,868 |
| 2024* | $81,322 | $34,942 |
| 2025* | $83,704 | $36,049 |