| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $34,020 | $19,079 |
| 2016 | $35,315 | $19,494 |
| 2017 | $36,775 | $19,827 |
| 2018 | $36,775 | $17,830 |
| 2019 | $39,650 | $18,982 |
| 2020 | $28,800 | $8,132 |
| 2021* | $29,897 | $8,271 |
| 2022* | $31,036 | $8,412 |
| 2023* | $32,219 | $8,556 |
| 2024* | $33,446 | $8,703 |
| 2025* | $34,721 | $8,851 |