| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $21,008 | $14,044 |
| 2016 | $21,008 | $13,513 |
| 2017 | $21,008 | $16,001 |
| 2018 | $21,008 | $15,803 |
| 2019 | $21,808 | $15,956 |
| 2020 | $22,208 | $16,356 |
| 2021* | $22,208 | $16,515 |
| 2022* | $22,208 | $16,675 |
| 2023* | $22,208 | $16,837 |
| 2024* | $22,208 | $17,000 |
| 2025* | $22,208 | $17,165 |
