| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $61,853 | $32,374 |
| 2016 | $64,007 | $32,273 |
| 2017 | $66,280 | $32,955 |
| 2018 | $66,280 | $32,945 |
| 2019 | $71,053 | $33,884 |
| 2020 | $73,771 | $36,602 |
| 2021* | $76,390 | $37,374 |
| 2022* | $79,102 | $38,163 |
| 2023* | $81,910 | $38,968 |
| 2024* | $84,818 | $39,790 |
| 2025* | $87,829 | $40,630 |