| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $50,631 | $20,431 |
| 2016 | $51,225 | $21,833 |
| 2017 | $52,074 | $20,995 |
| 2018 | $52,074 | $22,862 |
| 2019 | $53,178 | $22,312 |
| 2020 | $53,828 | $22,962 |
| 2021* | $54,485 | $23,630 |
| 2022* | $55,149 | $24,318 |
| 2023* | $55,822 | $25,025 |
| 2024* | $56,503 | $25,754 |
| 2025* | $57,193 | $26,503 |
