| Fall Survey | |||||||||
| Age | Year | n | Numerical Index | Biomass Index | |||||
| LCI | Index | UCI | LCI | Index | UCI | ||||
| All | 2007 | 56 | 1.06 | 1.47 | 1.95 | 4.02 | 6.29 | 9.58 | |
| 2008 | 51 | 0.43 | 0.72 | 1.07 | 1.46 | 2.66 | 4.44 | ||
| 2009 | 53 | 0.06 | 0.21 | 0.38 | 0.13 | 0.44 | 0.85 | ||
| 2010 | 51 | 0.41 | 0.63 | 0.88 | 1.15 | 1.81 | 2.68 | ||
| 2011 | 51 | 0.96 | 1.34 | 1.79 | 2.27 | 3.40 | 4.91 | ||
| 2012 | 51 | 0.63 | 0.90 | 1.21 | 1.82 | 2.94 | 4.50 | ||
| 2013 | 51 | 0.26 | 0.43 | 0.62 | 0.34 | 0.68 | 1.11 | ||
| 2014 | 51 | 0.51 | 0.84 | 1.23 | 1.77 | 3.49 | 6.29 | ||
| 2015 | 51 | 0.32 | 0.51 | 0.73 | 1.05 | 1.88 | 3.05 | ||
| 2016 | 51 | 0.08 | 0.23 | 0.40 | 0.22 | 0.75 | 1.50 | ||
| 2017 | 51 | 0.93 | 1.24 | 1.61 | 4.10 | 6.61 | 10.36 | ||
| 2018 | 51 | 0.17 | 0.37 | 0.60 | 0.38 | 1.04 | 2.03 | ||
| 2019 | 51 | 0.18 | 0.32 | 0.48 | 0.59 | 1.29 | 2.31 | ||
| 2020 | 51 | 0.30 | 0.50 | 0.73 | 0.78 | 1.37 | 2.15 | ||
| 2021 | 51 | 0.26 | 0.49 | 0.75 | 0.71 | 1.46 | 2.56 | ||
| 2022 | 51 | 0.17 | 0.30 | 0.45 | 0.44 | 1.06 | 1.95 | ||
| 2023 | |||||||||
| 2024 | |||||||||
| 2025 | |||||||||