| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $48,030 | $28,768 |
| 2016 | $49,390 | $30,436 |
| 2017 | $50,790 | $28,903 |
| 2018 | $50,790 | $28,471 |
| 2019 | $53,710 | $29,825 |
| 2020 | $56,220 | $32,335 |
| 2021* | $57,811 | $33,874 |
| 2022* | $59,447 | $35,487 |
| 2023* | $61,129 | $37,176 |
| 2024* | $62,859 | $38,945 |
| 2025* | $64,638 | $40,799 |
