| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $14,622 | $10,159 |
| 2016 | $14,622 | $9,487 |
| 2017 | $13,587 | $8,550 |
| 2018 | $13,587 | $8,872 |
| 2019 | $13,984 | $8,379 |
| 2020 | $13,984 | $8,379 |
| 2021* | $13,984 | $7,913 |
| 2022* | $13,984 | $7,473 |
| 2023* | $13,984 | $7,058 |
| 2024* | $13,984 | $6,665 |
| 2025* | $13,984 | $6,295 |