| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | N/A | N/A |
| 2016 | $28,555 | $24,775 |
| 2017 | $29,195 | $23,536 |
| 2018 | $29,195 | $25,554 |
| 2019 | N/A | N/A |
| 2020 | $31,750 | $28,099 |
| 2021* | $32,106 | $28,602 |
| 2022* | $32,465 | $29,114 |
| 2023* | $32,829 | $29,635 |
| 2024* | $33,196 | $30,166 |
| 2025* | $33,568 | $30,706 |