| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,538 | $27,702 |
| 2016 | $49,198 | $28,753 |
| 2017 | $50,792 | $30,121 |
| 2018 | $50,792 | $27,430 |
| 2019 | $54,166 | $29,222 |
| 2020 | $55,967 | $31,023 |
| 2021* | $57,825 | $32,500 |
| 2022* | $59,745 | $34,047 |
| 2023* | $61,728 | $35,667 |
| 2024* | $63,778 | $37,365 |
| 2025* | $65,895 | $39,144 |
