| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | N/A | N/A |
| 2016 | N/A | N/A |
| 2017 | N/A | N/A |
| 2018 | $20,886 | $15,401 |
| 2019 | $25,350 | $19,829 |
| 2020 | $31,940 | $26,419 |
| 2021* | $39,503 | $34,606 |
| 2022* | $48,858 | $45,331 |
| 2023* | $60,427 | $59,379 |
| 2024* | $74,737 | $77,780 |
| 2025* | $92,434 | $101,884 |