| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $22,094 | $13,474 |
| 2016 | $22,232 | $12,754 |
| 2017 | $21,986 | $14,109 |
| 2018 | $21,986 | $20,114 |
| 2019 | $28,092 | $20,872 |
| 2020 | $27,952 | $20,732 |
| 2021* | $27,952 | $21,514 |
| 2022* | $27,952 | $22,325 |
| 2023* | $27,952 | $23,166 |
| 2024* | $27,952 | $24,040 |
| 2025* | $27,952 | $24,946 |
