| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $42,834 | $23,409 |
| 2016 | $43,724 | $23,517 |
| 2017 | $44,628 | $23,435 |
| 2018 | $44,628 | $23,507 |
| 2019 | $47,810 | $23,568 |
| 2020 | $49,010 | $24,768 |
| 2021* | $50,029 | $24,845 |
| 2022* | $51,070 | $24,922 |
| 2023* | $52,132 | $24,999 |
| 2024* | $53,217 | $25,077 |
| 2025* | $54,324 | $25,154 |
