| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $61,510 | $33,092 |
| 2016 | $63,404 | $35,266 |
| 2017 | $65,384 | $37,131 |
| 2018 | $65,384 | $37,089 |
| 2019 | $69,638 | $38,218 |
| 2020 | $72,128 | $40,708 |
| 2021* | $74,378 | $42,861 |
| 2022* | $76,699 | $45,129 |
| 2023* | $79,092 | $47,516 |
| 2024* | $81,560 | $50,030 |
| 2025* | $84,104 | $52,676 |
