| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,750 | $23,031 |
| 2016 | $43,360 | $24,369 |
| 2017 | $44,510 | $23,610 |
| 2018 | $44,510 | $22,144 |
| 2019 | $48,048 | $23,627 |
| 2020 | $48,393 | $23,972 |
| 2021* | $49,675 | $24,322 |
| 2022* | $50,992 | $24,677 |
| 2023* | $52,343 | $25,037 |
| 2024* | $53,730 | $25,403 |
| 2025* | $55,154 | $25,774 |
