| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $12,334 | $6,214 |
| 2016 | $12,034 | $5,621 |
| 2017 | $12,034 | $4,093 |
| 2018 | $12,034 | $3,056 |
| 2019 | $15,534 | $6,965 |
| 2020 | $15,534 | $6,965 |
| 2021* | $15,534 | $6,301 |
| 2022* | $15,534 | $5,699 |
| 2023* | $15,534 | $5,156 |
| 2024* | $15,534 | $4,664 |
| 2025* | $15,534 | $4,219 |