Hallador Energy Company
| Year | Mar | Jun | Sep | Dec | Annual | |
|---|---|---|---|---|---|---|
| 2023 | 0.61 | 0.47 | 0.44 | - | - | |
| 2022 | -0.33 | -0.11 | 0.05 | 0.94 | 0.55 | |
| 2021 | -0.03 | -0.1 | 0.26 | -0.25 | -0.12 | |
| 2020 | -0.12 | 0.01 | 0.06 | -0.15 | - | |
| 2019 | 0.23 | 0.05 | 0.12 | 0.6 | 1 | |
| 2018 | 0.07 | - | 0.09 | 0.09 | 0.25 | |
| 2017 | 0.25 | 0.01 | 0.13 | 0.07 | 0.46 | |
| 2016 | - | 0.19 | 0.14 | 0.44 | 0.77 | |
| 2015 | 0.25 | 0.23 | 0.17 | 0.02 | 0.67 | |
| 2014 | 0.12 | 0.10 | -0.20 | 0.32 | 0.34 | |
| 2013 | 0.19 | 0.28 | 0.17 | 0.14 | 0.78 | |
| 2012 | 0.21 | 0.23 | 0.22 | 0.17 | 0.83 | |
| 2011 | 0.29 | 0.23 | 0.44 | 0.29 | 1.25 | |
| 2010 | 0.24 | 0.17 | 0.23 | 0.14 | 0.78 | |
| 2009 | 0.31 | 0.16 | 0.17 | 0.19 | 0.83 | |
| 2008 | -0.02 | 0.23 | 0.14 | 0.11 | 0.46 | |
| 2007 | 0.00 | 0.00 | -0.03 | -0.15 | -0.18 | |
| 2006 | 0.00 | 0.00 | 0.00 | 0.00 | 0 | |
| 2005 | 0.00 | 0.00 | -0.02 | 0.00 | 0 |