| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $20,814 | $13,440 |
| 2016 | $24,644 | $16,247 |
| 2017 | $24,644 | $17,618 |
| 2018 | $24,644 | $18,426 |
| 2019 | $27,044 | $20,940 |
| 2020 | $27,044 | $20,940 |
| 2021* | $27,044 | $22,707 |
| 2022* | $27,044 | $24,624 |
| 2023* | $27,044 | $26,702 |
| 2024* | $27,044 | $28,956 |
| 2025* | $27,044 | $31,400 |