| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,587 | $22,986 |
| 2016 | $44,004 | $26,632 |
| 2017 | $45,794 | $28,475 |
| 2018 | $45,794 | $26,672 |
| 2019 | $51,066 | $28,748 |
| 2020 | $52,539 | $30,221 |
| 2021* | $54,677 | $32,312 |
| 2022* | $56,903 | $34,548 |
| 2023* | $59,219 | $36,939 |
| 2024* | $61,629 | $39,495 |
| 2025* | $64,137 | $42,228 |
