| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | N/A | N/A |
| 2016 | N/A | N/A |
| 2017 | N/A | N/A |
| 2018 | $21,208 | $16,494 |
| 2019 | $24,610 | $19,796 |
| 2020 | $32,501 | $27,687 |
| 2021* | $40,317 | $35,976 |
| 2022* | $50,014 | $46,748 |
| 2023* | $62,042 | $60,744 |
| 2024* | $76,963 | $78,931 |
| 2025* | $95,473 | $102,563 |