| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $19,270 | $12,133 |
| 2016 | $20,000 | $12,619 |
| 2017 | $20,606 | $13,181 |
| 2018 | $20,606 | $12,724 |
| 2019 | $21,940 | $13,877 |
| 2020 | $21,940 | $13,877 |
| 2021* | $22,605 | $14,433 |
| 2022* | $23,290 | $15,012 |
| 2023* | $23,995 | $15,614 |
| 2024* | $24,722 | $16,240 |
| 2025* | $25,472 | $16,892 |
