| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $34,772 | $22,953 |
| 2016 | $41,196 | $23,846 |
| 2017 | $38,216 | $24,412 |
| 2018 | $38,216 | $23,688 |
| 2019 | $43,862 | $30,733 |
| 2020 | $44,668 | $31,539 |
| 2021* | $45,490 | $32,365 |
| 2022* | $46,327 | $33,213 |
| 2023* | $47,179 | $34,083 |
| 2024* | $48,047 | $34,976 |
| 2025* | $48,931 | $35,893 |
