| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $50,966 | $22,626 |
| 2016 | $52,448 | $23,413 |
| 2017 | $54,036 | $24,227 |
| 2018 | $54,036 | $22,656 |
| 2019 | $57,010 | $22,874 |
| 2020 | $57,010 | $22,874 |
| 2021* | $58,669 | $23,094 |
| 2022* | $60,376 | $23,315 |
| 2023* | $62,133 | $23,539 |
| 2024* | $63,941 | $23,765 |
| 2025* | $65,802 | $23,993 |
