| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $18,650 | $13,020 |
| 2016 | $17,362 | $12,131 |
| 2017 | $16,734 | $11,051 |
| 2018 | $16,734 | $11,155 |
| 2019 | $18,512 | $12,156 |
| 2020 | $18,702 | $12,346 |
| 2021* | $18,702 | $12,462 |
| 2022* | $18,702 | $12,579 |
| 2023* | $18,702 | $12,697 |
| 2024* | $18,702 | $12,817 |
| 2025* | $18,702 | $12,937 |
