| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $39,628 | $21,403 |
| 2016 | $40,824 | $21,422 |
| 2017 | $45,458 | $25,710 |
| 2018 | $45,458 | $23,642 |
| 2019 | $48,076 | $25,795 |
| 2020 | $51,800 | $29,519 |
| 2021* | $54,784 | $32,208 |
| 2022* | $57,939 | $35,142 |
| 2023* | $61,277 | $38,344 |
| 2024* | $64,806 | $41,837 |
| 2025* | $68,539 | $45,648 |