| Year | Age | n | Numerical Index | Biomass Index | ||||||
| LCI | Index | UCI | LCI | Index | UCI | |||||
| 2002 | All | 79 | 0.32 | 0.5 | 0.76 | 0.42 | 0.7 | 1.04 | ||
| 2003 | 75 | 0.28 | 0.4 | 0.60 | 0.33 | 0.5 | 0.75 | |||
| 2004 | 94 | 0.10 | 0.2 | 0.40 | 0.12 | 0.3 | 0.47 | |||
| 2005 | 82 | 0.26 | 0.5 | 0.67 | 0.33 | 0.6 | 0.87 | |||
| 2006 | 75 | 0.79 | 1.2 | 1.77 | 1.02 | 1.6 | 2.29 | |||
| 2007 | 62 | 0.56 | 1.1 | 1.77 | 0.75 | 1.4 | 2.28 | |||
| 2008 | 84 | 0.45 | 0.7 | 1.08 | 0.62 | 1.0 | 1.49 | |||
| 2009 | 63 | 0.57 | 1.0 | 1.58 | 0.80 | 1.4 | 2.26 | |||
| 2010 | 84 | 0.63 | 1.0 | 1.48 | 0.84 | 1.4 | 2.01 | |||
| 2011 | 83 | 0.71 | 1.1 | 1.66 | 0.97 | 1.5 | 2.28 | |||
| 2012 | 82 | 0.24 | 0.5 | 0.76 | 0.32 | 0.6 | 1.00 | |||
| 2013 | 83 | 0.18 | 0.4 | 0.58 | 0.22 | 0.4 | 0.71 | |||
| 2014 | 84 | 0.08 | 0.3 | 0.44 | 0.11 | 0.3 | 0.57 | |||
| 2015 | 84 | 0.26 | 0.5 | 0.75 | 0.32 | 0.6 | 0.91 | |||
| 2016 | 84 | 0.41 | 0.7 | 1.12 | 0.49 | 0.9 | 1.34 | |||
| 2017 | 84 | 0.21 | 0.4 | 0.67 | 0.26 | 0.5 | 0.82 | |||
| 2018 | 84 | 0.17 | 0.3 | 0.54 | 0.20 | 0.4 | 0.65 | |||
| 2019 | 69 | 0.32 | 0.6 | 0.88 | 0.39 | 0.7 | 1.07 | |||
| 2020 | 69 | 0.54 | 0.9 | 1.36 | 0.74 | 1.2 | 1.79 | |||
| 2021 | 69 | 0.13 | 0.3 | 0.48 | 0.16 | 0.4 | 0.58 | |||
| 2022 | 69 | 1.24 | 2.0 | 2.89 | 1.46 | 2.4 | 3.55 | |||
| 2023 | ||||||||||
| 2024 | ||||||||||
| 2025 | ||||||||||