NEVC   Thick
    yr     (cm)
      1     7.6
      2     8.9
      3     7.5
      4     4.9
      5    21.7
      6    10.1
      7     8.3
      8    13.3
      9     5.8
     10     4.0
     11     3.6
     12     7.4
     13    11.1
     14     5.8
     15     4.1
     16     5.1
     17     4.1
     18     3.9
     19     3.1
     20     4.6
     21     3.2
     22     2.5
     23     3.0
     24     4.2
     25     4.6
     26     4.8
     27     4.8
     28     3.0
     29     2.4
     30     2.3
     31     3.6
     32     2.2
     33     1.8
     34     1.3
     35     1.4
     36     1.4
     37     1.3
     38     1.1
     39     1.4
     40     1.8
     41     1.5
     42     1.3
     43     1.6
     44     2.5
     45     1.5
     46     1.1
     47     0.6
     48     3.3
     49     1.2
     50     1.5
     51     2.6
     52     2.4
     53     1.1
     54     1.3
     55     5.1
     56     6.6
     57    13.4
     58    30.4
     59    14.0
     60    13.1
     61    18.8
     62     6.4
     63     6.5
     64     5.7
     65     8.6
     66     3.5
     67     9.0
     68     3.1
     69     6.7
     70     8.2
     71     8.8