| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | N/A | N/A |
| 2016 | $28,555 | $24,180 |
| 2017 | $29,195 | $23,145 |
| 2018 | $29,195 | $21,163 |
| 2019 | N/A | N/A |
| 2020 | $31,750 | $24,678 |
| 2021* | $32,106 | $23,094 |
| 2022* | $32,465 | $21,611 |
| 2023* | $32,829 | $20,224 |
| 2024* | $33,196 | $18,925 |
| 2025* | $33,568 | $17,710 |