| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $54,036 | $30,746 |
| 2016 | $55,606 | $32,573 |
| 2017 | $58,450 | $34,544 |
| 2018 | $58,450 | $32,347 |
| 2019 | $62,157 | $32,099 |
| 2020 | $64,365 | $34,307 |
| 2021* | $66,650 | $36,345 |
| 2022* | $69,016 | $38,504 |
| 2023* | $71,466 | $40,791 |
| 2024* | $74,003 | $43,214 |
| 2025* | $76,630 | $45,781 |