| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2014 | $50,650 | $36,124 |
| 2015 | $52,520 | $37,994 |
| 2016 | $55,020 | $40,296 |
| 2017 | $57,074 | $38,680 |
| 2018 | $57,074 | $40,023 |
| 2019 | $51,424 | $32,590 |
| 2020* | $53,322 | $33,721 |
| 2021* | $55,289 | $34,891 |
| 2022* | $57,329 | $36,102 |
| 2023* | $59,445 | $37,354 |
| 2024* | $61,638 | $38,651 |
