| Spring Survey | Fall Survey | ||||||||||||||||||
| Age | Year | n | Numerical Index | Biomass Index | Age | Year | n | Numerical Index | Biomass Index | ||||||||||
| LCI | Index | UCI | LCI | Index | UCI | LCI | Index | UCI | LCI | Index | UCI | ||||||||
| All | 2007 | All | 2007 | 104 | 0.86 | 1.27 | 1.77 | 1.14 | 1.72 | 2.45 | |||||||||
| 2008 | 116 | 2.61 | 3.34 | 4.21 | 2.87 | 3.69 | 4.69 | 2008 | 104 | 1.51 | 2.19 | 3.05 | 2.01 | 2.94 | 4.16 | ||||
| 2009 | 125 | 6.08 | 7.36 | 8.88 | 7.03 | 8.52 | 10.29 | 2009 | 110 | 2.05 | 2.93 | 4.06 | 2.28 | 3.28 | 4.59 | ||||
| 2010 | 117 | 2.45 | 3.10 | 3.88 | 2.20 | 2.78 | 3.45 | 2010 | 104 | 1.59 | 2.05 | 2.59 | 2.07 | 2.65 | 3.34 | ||||
| 2011 | 117 | 3.97 | 4.76 | 5.69 | 4.09 | 4.91 | 5.85 | 2011 | 104 | 1.92 | 2.61 | 3.48 | 2.51 | 3.45 | 4.63 | ||||
| 2012 | 117 | 0.93 | 1.32 | 1.77 | 1.06 | 1.48 | 1.98 | 2012 | 104 | 1.90 | 2.66 | 3.61 | 2.35 | 3.33 | 4.58 | ||||
| 2013 | 117 | 2.37 | 2.96 | 3.65 | 2.00 | 2.51 | 3.10 | 2013 | 104 | 0.74 | 1.02 | 1.34 | 0.96 | 1.34 | 1.81 | ||||
| 2014 | 117 | 4.98 | 5.86 | 6.87 | 5.12 | 5.98 | 6.96 | 2014 | 104 | 1.34 | 1.90 | 2.59 | 1.77 | 2.48 | 3.39 | ||||
| 2015 | 117 | 2.43 | 2.95 | 3.56 | 2.55 | 3.12 | 3.78 | 2015 | 104 | 4.71 | 6.08 | 7.79 | 5.15 | 6.66 | 8.54 | ||||
| 2016 | 117 | 2.82 | 3.58 | 4.48 | 2.82 | 3.53 | 4.37 | 2016 | 104 | 3.06 | 4.07 | 5.33 | 3.93 | 5.26 | 6.95 | ||||
| 2017 | 30 | 0.76 | 1.20 | 1.76 | 1.15 | 2.03 | 3.28 | 2017 | 104 | 1.15 | 1.67 | 2.31 | 1.36 | 1.99 | 2.80 | ||||
| 2018 | 117 | 1.81 | 2.39 | 3.08 | 1.95 | 2.54 | 3.23 | 2018 | 104 | 1.15 | 1.66 | 2.29 | 1.36 | 1.97 | 2.73 | ||||
| 2019 | 116 | 1.41 | 1.77 | 2.19 | 1.48 | 1.88 | 2.35 | 2019 | 104 | 2.41 | 3.12 | 3.99 | 3.06 | 4.00 | 5.15 | ||||
| 2020 | 2020 | 104 | 5.46 | 7.09 | 9.14 | 6.67 | 8.72 | 11.34 | |||||||||||
| 2021 | 117 | 1.05 | 1.41 | 1.83 | 1.24 | 1.66 | 2.16 | 2021 | 104 | 1.59 | 2.44 | 3.56 | 1.88 | 2.87 | 4.18 | ||||
| 2022 | 117 | 1.42 | 1.77 | 2.18 | 1.67 | 2.06 | 2.50 | 2022 | 104 | 3.44 | 4.58 | 6.01 | 4.38 | 5.88 | 7.80 | ||||
| 2023 | 2023 | ||||||||||||||||||
| 2024 | 2024 | ||||||||||||||||||
| 2025 | 2025 | ||||||||||||||||||
| Female | 2007 | Female | 2007 | 104 | 0.66 | 0.99 | 1.38 | 0.72 | 1.03 | 1.41 | |||||||||
| 2008 | 116 | 1.92 | 2.46 | 3.11 | 1.89 | 2.41 | 3.03 | 2008 | 104 | 0.96 | 1.43 | 2.01 | 1.04 | 1.53 | 2.14 | ||||
| 2009 | 125 | 4.15 | 5.07 | 6.15 | 4.32 | 5.23 | 6.29 | 2009 | 110 | 1.41 | 2.00 | 2.74 | 1.39 | 1.96 | 2.67 | ||||
| 2010 | 117 | 1.77 | 2.23 | 2.76 | 1.39 | 1.73 | 2.12 | 2010 | 104 | 0.95 | 1.24 | 1.58 | 1.24 | 1.60 | 2.02 | ||||
| 2011 | 117 | 2.62 | 3.14 | 3.74 | 2.42 | 2.87 | 3.38 | 2011 | 104 | 1.19 | 1.61 | 2.13 | 1.42 | 1.91 | 2.50 | ||||
| 2012 | 117 | 0.70 | 1.01 | 1.36 | 0.79 | 1.09 | 1.44 | 2012 | 104 | 1.18 | 1.67 | 2.27 | 1.37 | 1.88 | 2.49 | ||||
| 2013 | 117 | 1.63 | 2.05 | 2.53 | 1.32 | 1.64 | 2.00 | 2013 | 104 | 0.48 | 0.68 | 0.90 | 0.65 | 0.93 | 1.26 | ||||
| 2014 | 117 | 2.64 | 3.09 | 3.60 | 2.67 | 3.11 | 3.60 | 2014 | 104 | 0.91 | 1.27 | 1.71 | 1.16 | 1.59 | 2.11 | ||||
| 2015 | 117 | 1.49 | 1.84 | 2.23 | 1.51 | 1.88 | 2.29 | 2015 | 104 | 2.55 | 3.26 | 4.10 | 2.51 | 3.14 | 3.88 | ||||
| 2016 | 117 | 1.94 | 2.44 | 3.02 | 1.81 | 2.22 | 2.70 | 2016 | 104 | 1.79 | 2.37 | 3.09 | 2.13 | 2.79 | 3.59 | ||||
| 2017 | 30 | 0.69 | 1.10 | 1.62 | 1.06 | 1.89 | 3.07 | 2017 | 104 | 0.73 | 1.08 | 1.50 | 0.85 | 1.23 | 1.69 | ||||
| 2018 | 117 | 1.30 | 1.73 | 2.24 | 1.27 | 1.62 | 2.02 | 2018 | 104 | 0.79 | 1.15 | 1.59 | 0.87 | 1.24 | 1.67 | ||||
| 2019 | 116 | 0.99 | 1.26 | 1.56 | 1.00 | 1.27 | 1.57 | 2019 | 104 | 1.49 | 1.94 | 2.47 | 1.73 | 2.26 | 2.89 | ||||
| 2020 | 2020 | 104 | 3.32 | 4.33 | 5.59 | 3.43 | 4.37 | 5.51 | |||||||||||
| 2021 | 117 | 0.81 | 1.10 | 1.44 | 0.92 | 1.23 | 1.59 | 2021 | 104 | 1.08 | 1.68 | 2.45 | 1.10 | 1.61 | 2.23 | ||||
| 2022 | 117 | 1.07 | 1.35 | 1.67 | 1.21 | 1.49 | 1.79 | 2022 | 104 | 2.13 | 2.86 | 3.75 | 2.52 | 3.28 | 4.21 | ||||
| 2023 | 2023 | ||||||||||||||||||
| 2024 | 2024 | ||||||||||||||||||
| 2025 | 2025 | ||||||||||||||||||
| Male | 2007 | Male | 2007 | 104 | 0.39 | 0.59 | 0.83 | 0.38 | 0.54 | 0.73 | |||||||||
| 2008 | 116 | 0.63 | 0.84 | 1.08 | 0.60 | 0.82 | 1.06 | 2008 | 104 | 0.63 | 0.96 | 1.35 | 0.62 | 0.94 | 1.33 | ||||
| 2009 | 125 | 1.87 | 2.27 | 2.72 | 2.07 | 2.49 | 2.97 | 2009 | 110 | 0.97 | 1.43 | 2.00 | 0.98 | 1.43 | 1.99 | ||||
| 2010 | 117 | 1.09 | 1.44 | 1.84 | 0.80 | 1.04 | 1.31 | 2010 | 104 | 0.87 | 1.13 | 1.42 | 1.05 | 1.37 | 1.73 | ||||
| 2011 | 117 | 1.65 | 2.06 | 2.53 | 1.43 | 1.73 | 2.05 | 2011 | 104 | 1.07 | 1.51 | 2.04 | 1.20 | 1.65 | 2.18 | ||||
| 2012 | 117 | 0.41 | 0.60 | 0.83 | 0.41 | 0.59 | 0.78 | 2012 | 104 | 1.10 | 1.56 | 2.11 | 1.17 | 1.61 | 2.15 | ||||
| 2013 | 117 | 0.92 | 1.19 | 1.48 | 0.73 | 0.93 | 1.15 | 2013 | 104 | 0.37 | 0.54 | 0.72 | 0.48 | 0.69 | 0.93 | ||||
| 2014 | 117 | 2.31 | 2.78 | 3.32 | 2.16 | 2.58 | 3.06 | 2014 | 104 | 0.74 | 1.09 | 1.51 | 0.90 | 1.28 | 1.74 | ||||
| 2015 | 117 | 1.19 | 1.46 | 1.77 | 1.15 | 1.40 | 1.68 | 2015 | 104 | 2.83 | 3.64 | 4.63 | 2.74 | 3.44 | 4.26 | ||||
| 2016 | 117 | 1.18 | 1.58 | 2.04 | 0.97 | 1.23 | 1.54 | 2016 | 104 | 1.63 | 2.15 | 2.79 | 1.76 | 2.30 | 2.94 | ||||
| 2017 | 30 | 0.06 | 0.19 | 0.34 | 0.09 | 0.31 | 0.58 | 2017 | 104 | 0.67 | 0.99 | 1.37 | 0.74 | 1.07 | 1.46 | ||||
| 2018 | 117 | 0.80 | 1.11 | 1.46 | 0.73 | 0.95 | 1.19 | 2018 | 104 | 0.57 | 0.89 | 1.28 | 0.57 | 0.86 | 1.20 | ||||
| 2019 | 116 | 0.59 | 0.78 | 0.99 | 0.59 | 0.77 | 0.97 | 2019 | 104 | 1.12 | 1.50 | 1.95 | 1.26 | 1.64 | 2.09 | ||||
| 2020 | 2020 | 104 | 2.40 | 3.03 | 3.79 | 2.40 | 2.97 | 3.63 | |||||||||||
| 2021 | 117 | 0.42 | 0.60 | 0.79 | 0.45 | 0.62 | 0.80 | 2021 | 104 | 0.90 | 1.41 | 2.05 | 0.86 | 1.26 | 1.75 | ||||
| 2022 | 117 | 0.53 | 0.70 | 0.89 | 0.53 | 0.69 | 0.86 | 2022 | 104 | 1.71 | 2.25 | 2.90 | 1.92 | 2.47 | 3.13 | ||||
| 2023 | 2023 | ||||||||||||||||||
| 2024 | 2024 | ||||||||||||||||||
| 2025 | 2025 | ||||||||||||||||||