| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,000 | $22,871 |
| 2016 | $45,220 | $24,143 |
| 2017 | $45,220 | $24,240 |
| 2018 | $45,220 | $24,727 |
| 2019 | $46,092 | $24,125 |
| 2020 | $47,311 | $25,344 |
| 2021* | $48,224 | $25,853 |
| 2022* | $49,155 | $26,373 |
| 2023* | $50,104 | $26,903 |
| 2024* | $51,071 | $27,444 |
| 2025* | $52,056 | $27,996 |