| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,520 | $20,336 |
| 2016 | $43,300 | $22,973 |
| 2017 | $44,902 | $22,644 |
| 2018 | $44,902 | $22,262 |
| 2019 | $48,250 | $25,211 |
| 2020 | $49,132 | $26,093 |
| 2021* | $50,950 | $27,006 |
| 2022* | $52,835 | $27,951 |
| 2023* | $54,790 | $28,930 |
| 2024* | $56,817 | $29,942 |
| 2025* | $58,919 | $30,990 |
