| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $55,360 | $30,818 |
| 2016 | $57,020 | $31,628 |
| 2017 | $58,590 | $31,872 |
| 2018 | $58,590 | $30,225 |
| 2019 | $60,940 | $31,213 |
| 2020 | $61,970 | $32,243 |
| 2021* | $63,674 | $33,091 |
| 2022* | $65,425 | $33,961 |
| 2023* | $67,224 | $34,854 |
| 2024* | $69,073 | $35,771 |
| 2025* | $70,973 | $36,712 |
