| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $52,100 | $28,224 |
| 2016 | $53,740 | $29,966 |
| 2017 | $55,820 | $31,770 |
| 2018 | $55,820 | $30,023 |
| 2019 | $59,892 | $31,019 |
| 2020 | $61,716 | $32,843 |
| 2021* | $63,660 | $34,774 |
| 2022* | $65,665 | $36,819 |
| 2023* | $67,734 | $38,984 |
| 2024* | $69,867 | $41,276 |
| 2025* | $72,068 | $43,703 |
