| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $34,665 | $25,479 |
| 2016 | $35,115 | $25,605 |
| 2017 | $40,250 | $30,748 |
| 2018 | $40,250 | $29,761 |
| 2019 | $34,450 | $22,425 |
| 2020 | $35,250 | $23,225 |
| 2021* | $35,708 | $23,339 |
| 2022* | $36,172 | $23,453 |
| 2023* | $36,643 | $23,568 |
| 2024* | $37,119 | $23,684 |
| 2025* | $37,602 | $23,800 |
