| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $43,340 | $25,205 |
| 2016 | $44,405 | $25,682 |
| 2017 | $45,575 | $23,355 |
| 2018 | $45,575 | $24,456 |
| 2019 | $48,125 | $27,426 |
| 2020 | $49,569 | $28,870 |
| 2021* | $50,873 | $30,230 |
| 2022* | $52,211 | $31,654 |
| 2023* | $53,584 | $33,144 |
| 2024* | $54,993 | $34,706 |
| 2025* | $56,439 | $36,340 |
