| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $12,175 | N/A |
| 2016 | $13,408 | N/A |
| 2017 | $19,166 | N/A |
| 2018 | $19,166 | N/A |
| 2019 | $14,790 | $7,890 |
| 2020 | $14,830 | $7,930 |
| 2021* | $14,870 | $7,970 |
| 2022* | $14,910 | $8,011 |
| 2023* | $14,950 | $8,052 |
| 2024* | $14,991 | $8,093 |
| 2025* | $15,031 | $8,134 |