| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | N/A | N/A |
| 2016 | N/A | N/A |
| 2017 | N/A | N/A |
| 2018 | $20,886 | $16,186 |
| 2019 | $25,350 | $21,023 |
| 2020 | $31,940 | $27,613 |
| 2021* | $39,503 | $36,068 |
| 2022* | $48,858 | $47,112 |
| 2023* | $60,427 | $61,538 |
| 2024* | $74,737 | $80,381 |
| 2025* | $92,434 | $104,993 |