| Year | Age | n | Numerical Index | Biomass Index | ||||||
| LCI | Index | UCI | LCI | Index | UCI | |||||
| 2002 | All | 75 | 0.76 | 1.14 | 1.60 | 0.13 | 0.20 | 0.27 | ||
| 2003 | 101 | 0.45 | 0.69 | 0.97 | 0.10 | 0.17 | 0.25 | |||
| 2004 | 92 | 0.04 | 0.13 | 0.22 | 0.01 | 0.04 | 0.07 | |||
| 2005 | 86 | 0.22 | 0.42 | 0.66 | 0.04 | 0.09 | 0.15 | |||
| 2006 | 79 | 0.11 | 0.25 | 0.41 | 0.02 | 0.05 | 0.08 | |||
| 2007 | 44 | 1.54 | 2.23 | 3.11 | 0.26 | 0.39 | 0.52 | |||
| 2008 | 90 | 0.15 | 0.29 | 0.45 | 0.02 | 0.05 | 0.08 | |||
| 2009 | 90 | 0.22 | 0.40 | 0.61 | 0.04 | 0.07 | 0.11 | |||
| 2010 | 90 | 0.82 | 1.29 | 1.87 | 0.16 | 0.30 | 0.46 | |||
| 2011 | 89 | 1.17 | 1.69 | 2.33 | 0.20 | 0.34 | 0.48 | |||
| 2012 | 84 | 0.04 | 0.12 | 0.20 | 0.00 | 0.01 | 0.02 | |||
| 2013 | 89 | 0.08 | 0.18 | 0.30 | 0.00 | 0.01 | 0.02 | |||
| 2014 | 90 | 0.05 | 0.16 | 0.29 | 0.01 | 0.02 | 0.04 | |||
| 2015 | 90 | 0.49 | 0.82 | 1.22 | 0.12 | 0.24 | 0.37 | |||
| 2016 | 90 | 0.66 | 1.14 | 1.76 | 0.15 | 0.29 | 0.45 | |||
| 2017 | 90 | 0.21 | 0.37 | 0.57 | 0.03 | 0.06 | 0.10 | |||
| 2018 | 90 | 0.34 | 0.62 | 0.96 | 0.06 | 0.13 | 0.22 | |||
| 2019 | 90 | 0.20 | 0.38 | 0.60 | 0.03 | 0.08 | 0.13 | |||
| 2020 | 90 | 0.26 | 0.41 | 0.57 | 0.03 | 0.05 | 0.08 | |||
| 2021 | 90 | 0.13 | 0.25 | 0.38 | 0.02 | 0.05 | 0.08 | |||
| 2022 | 90 | 0.15 | 0.29 | 0.44 | 0.01 | 0.04 | 0.06 | |||
| 2023 | ||||||||||
| 2024 | ||||||||||
| 2025 | ||||||||||