| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $45,046 | $29,414 |
| 2016 | $46,234 | $29,536 |
| 2017 | $48,177 | $29,243 |
| 2018 | $48,177 | $29,253 |
| 2019 | $50,105 | $29,827 |
| 2020 | $52,130 | $31,852 |
| 2021* | $54,215 | $31,983 |
| 2022* | $56,384 | $32,114 |
| 2023* | $58,639 | $32,245 |
| 2024* | $60,985 | $32,378 |
| 2025* | $63,424 | $32,510 |
