| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $25,195 | $18,257 |
| 2016 | $26,155 | $14,703 |
| 2017 | $27,870 | $16,100 |
| 2018 | $27,870 | $14,965 |
| 2019 | $29,950 | $17,326 |
| 2020 | $30,350 | $17,726 |
| 2021* | $31,506 | $18,135 |
| 2022* | $32,707 | $18,554 |
| 2023* | $33,953 | $18,983 |
| 2024* | $35,246 | $19,422 |
| 2025* | $36,589 | $19,870 |
