| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $43,116 | $23,810 |
| 2016 | $41,488 | $18,801 |
| 2017 | $43,201 | $22,797 |
| 2018 | $43,201 | $22,774 |
| 2019 | $45,971 | $22,748 |
| 2020 | $49,250 | $26,027 |
| 2021* | $51,284 | $26,001 |
| 2022* | $53,402 | $25,975 |
| 2023* | $55,608 | $25,949 |
| 2024* | $57,904 | $25,923 |
| 2025* | $60,296 | $25,897 |
