| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $23,909 | $14,895 |
| 2016 | $24,801 | $14,251 |
| 2017 | $25,897 | $16,925 |
| 2018 | $25,897 | $16,334 |
| 2019 | $26,710 | $14,520 |
| 2020 | $26,710 | $14,520 |
| 2021* | $27,549 | $14,013 |
| 2022* | $28,414 | $13,524 |
| 2023* | $29,306 | $13,052 |
| 2024* | $30,226 | $12,597 |
| 2025* | $31,175 | $12,157 |
