| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,880 | $30,546 |
| 2016 | $68,192 | $30,730 |
| 2017 | $70,500 | $30,141 |
| 2018 | $70,500 | $29,243 |
| 2019 | $75,850 | $39,102 |
| 2020 | $76,808 | $40,060 |
| 2021* | $79,404 | $40,300 |
| 2022* | $82,088 | $40,542 |
| 2023* | $84,863 | $40,785 |
| 2024* | $87,731 | $41,030 |
| 2025* | $90,696 | $41,276 |