| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $51,700 | $30,897 |
| 2016 | $53,426 | $30,584 |
| 2017 | $54,876 | $29,331 |
| 2018 | $54,876 | $28,924 |
| 2019 | $59,600 | $30,355 |
| 2020 | $62,400 | $33,155 |
| 2021* | $64,484 | $32,820 |
| 2022* | $66,638 | $32,489 |
| 2023* | $68,864 | $32,161 |
| 2024* | $71,164 | $31,836 |
| 2025* | $73,541 | $31,514 |
