| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $62,940 | $35,059 |
| 2016 | $64,988 | $37,419 |
| 2017 | $67,204 | $42,217 |
| 2018 | $67,204 | $41,442 |
| 2019 | $72,034 | $44,046 |
| 2020 | $74,432 | $46,444 |
| 2021* | $76,911 | $49,361 |
| 2022* | $79,472 | $52,461 |
| 2023* | $82,118 | $55,755 |
| 2024* | $84,853 | $59,256 |
| 2025* | $87,678 | $62,978 |