| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $33,208 | $23,076 |
| 2016 | $34,946 | $22,054 |
| 2017 | $37,406 | $26,912 |
| 2018 | $37,406 | $24,684 |
| 2019 | $32,130 | $20,123 |
| 2020 | $31,908 | $19,901 |
| 2021* | $31,908 | $19,019 |
| 2022* | $31,908 | $18,177 |
| 2023* | $31,908 | $17,372 |
| 2024* | $31,908 | $16,602 |
| 2025* | $31,908 | $15,867 |
