| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $39,600 | $22,479 |
| 2016 | $41,000 | $24,525 |
| 2017 | $42,420 | $29,850 |
| 2018 | $42,420 | $32,934 |
| 2019 | $32,100 | $10,152 |
| 2020 | $32,710 | $10,762 |
| 2021* | $33,331 | $11,741 |
| 2022* | $33,965 | $12,810 |
| 2023* | $34,610 | $13,975 |
| 2024* | $35,268 | $15,247 |
| 2025* | $35,938 | $16,635 |
