| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $38,270 | $21,792 |
| 2016 | $39,507 | $22,655 |
| 2017 | $41,347 | $27,494 |
| 2018 | $41,347 | $23,222 |
| 2019 | $45,804 | $23,498 |
| 2020 | $46,905 | $24,599 |
| 2021* | $48,420 | $25,573 |
| 2022* | $49,984 | $26,586 |
| 2023* | $51,598 | $27,639 |
| 2024* | $53,265 | $28,733 |
| 2025* | $54,986 | $29,871 |
