| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $39,640 | $23,748 |
| 2016 | $40,784 | $22,017 |
| 2017 | $42,005 | $24,011 |
| 2018 | $42,005 | $23,337 |
| 2019 | $43,650 | $25,166 |
| 2020 | $43,650 | $25,166 |
| 2021* | $44,911 | $25,166 |
| 2022* | $46,209 | $25,166 |
| 2023* | $47,545 | $25,166 |
| 2024* | $48,919 | $25,166 |
| 2025* | $50,333 | $25,166 |