| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $40,740 | $24,615 |
| 2016 | $42,020 | $25,477 |
| 2017 | $43,130 | $27,165 |
| 2018 | $43,130 | $23,753 |
| 2019 | $46,254 | $26,793 |
| 2020 | $47,480 | $28,019 |
| 2021* | $48,738 | $29,302 |
| 2022* | $50,030 | $30,644 |
| 2023* | $51,356 | $32,048 |
| 2024* | $52,716 | $33,516 |
| 2025* | $54,113 | $35,051 |
