| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $19,100 | $10,566 |
| 2016 | $19,100 | $12,042 |
| 2017 | $20,600 | $12,204 |
| 2018 | $20,600 | $14,525 |
| 2019 | $21,600 | $12,857 |
| 2020 | $21,600 | $12,857 |
| 2021* | $21,600 | $13,031 |
| 2022* | $21,600 | $13,206 |
| 2023* | $21,600 | $13,385 |
| 2024* | $21,600 | $13,565 |
| 2025* | $21,600 | $13,749 |
