| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $13,216 | $10,424 |
| 2016 | $12,052 | $9,593 |
| 2017 | $12,220 | $9,317 |
| 2018 | $12,220 | $9,490 |
| 2019 | $16,090 | $13,311 |
| 2020 | $16,090 | $13,311 |
| 2021* | $16,090 | $13,311 |
| 2022* | $16,090 | $13,311 |
| 2023* | $16,090 | $13,311 |
| 2024* | $16,090 | $13,311 |
| 2025* | $16,090 | $13,311 |