| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,058 | $24,711 |
| 2016 | $44,652 | $23,769 |
| 2017 | $46,156 | $27,833 |
| 2018 | $46,156 | $27,205 |
| 2019 | $48,860 | $28,060 |
| 2020 | $49,848 | $29,048 |
| 2021* | $50,855 | $29,960 |
| 2022* | $51,882 | $30,901 |
| 2023* | $52,930 | $31,871 |
| 2024* | $53,999 | $32,872 |
| 2025* | $55,090 | $33,904 |
