| Fall Survey | |||||||||
| Age | Year | n | Numerical Index | Biomass Index | |||||
| LCI | Index | UCI | LCI | Index | UCI | ||||
| All | 2007 | 56 | 1.07 | 1.67 | 2.44 | 1.78 | 2.96 | 4.64 | |
| 2008 | 51 | 1.36 | 2.07 | 2.98 | 1.62 | 2.54 | 3.79 | ||
| 2009 | 53 | 0.24 | 0.46 | 0.71 | 0.22 | 0.51 | 0.88 | ||
| 2010 | 51 | 0.89 | 1.26 | 1.71 | 1.11 | 1.83 | 2.79 | ||
| 2011 | 51 | 0.54 | 0.83 | 1.18 | 0.76 | 1.30 | 2.01 | ||
| 2012 | 51 | 1.17 | 1.68 | 2.31 | 1.51 | 2.31 | 3.37 | ||
| 2013 | 51 | 0.46 | 0.70 | 0.97 | 0.56 | 0.91 | 1.32 | ||
| 2014 | 51 | 0.72 | 1.09 | 1.54 | 1.09 | 1.81 | 2.78 | ||
| 2015 | 51 | 0.16 | 0.30 | 0.46 | 0.15 | 0.36 | 0.60 | ||
| 2016 | 51 | 0.07 | 0.17 | 0.28 | 0.08 | 0.23 | 0.40 | ||
| 2017 | 51 | 0.08 | 0.21 | 0.35 | 0.11 | 0.32 | 0.56 | ||
| 2018 | 51 | 0.01 | 0.10 | 0.19 | 0.01 | 0.05 | 0.10 | ||
| 2019 | 51 | 0.00 | 0.03 | 0.07 | 0.00 | 0.03 | 0.07 | ||
| 2020 | 51 | 0.03 | 0.11 | 0.20 | 0.03 | 0.16 | 0.31 | ||
| 2021 | 51 | 0.00 | 0.06 | 0.12 | 0.00 | 0.07 | 0.16 | ||
| 2022 | 51 | 0.03 | 0.12 | 0.21 | 0.02 | 0.14 | 0.26 | ||
| 2023 | |||||||||
| 2024 | |||||||||
| 2025 | |||||||||