| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $55,787 | $36,047 |
| 2016 | $57,170 | $36,903 |
| 2017 | $57,210 | $33,133 |
| 2018 | $57,210 | $36,121 |
| 2019 | $60,405 | $36,787 |
| 2020 | $60,525 | $36,907 |
| 2021* | $60,646 | $37,586 |
| 2022* | $60,767 | $38,278 |
| 2023* | $60,889 | $38,982 |
| 2024* | $61,011 | $39,699 |
| 2025* | $61,133 | $40,430 |
