| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $13,089 | $10,210 |
| 2016 | $13,089 | $9,801 |
| 2017 | $15,715 | $7,990 |
| 2018 | $15,715 | N/A |
| 2019 | $17,111 | $12,705 |
| 2020 | $16,265 | $11,859 |
| 2021* | $16,265 | $11,069 |
| 2022* | $16,265 | $10,332 |
| 2023* | $16,265 | $9,644 |
| 2024* | $16,265 | $9,002 |
| 2025* | $16,265 | $8,402 |
