| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,886 | $35,704 |
| 2016 | $49,136 | $36,376 |
| 2017 | $50,329 | $37,486 |
| 2018 | $50,329 | $36,676 |
| 2019 | $53,053 | $38,018 |
| 2020 | $54,725 | $39,690 |
| 2021* | $56,153 | $40,901 |
| 2022* | $57,619 | $42,148 |
| 2023* | $59,123 | $43,434 |
| 2024* | $60,666 | $44,758 |
| 2025* | $62,249 | $46,123 |
