============================
               WHT Semester 2001 Statistics
               ============================
 
  Total time spent during the semester 2001a
  -------------------------------------------------------
              TOT       DARK    %       GREY    %      BRIGHT   %
ES_a        31:05      03:35 ( 11.5)   03:45 ( 12.1)   23:45 ( 76.4) 
           ( 27.6%)
NL_a        13:29      07:24 ( 54.9)   04:35 ( 34.0)   01:30 ( 11.1) 
           ( 12.0%)
UK_a        60:24      05:35 (  9.2)   12:42 ( 21.0)   42:07 ( 69.7) 
           ( 53.7%)
OTHER_a     07:33      01:25 ( 18.8)   00:00 (  0.0)   06:08 ( 81.2) 
           (  6.7%)
 
  Total time spent during the semester 2001b
  -------------------------------------------------------
              TOT       DARK    %       GREY    %      BRIGHT   %
ES_b        15:25      03:30 ( 22.7)   05:16 ( 34.2)   06:39 ( 43.1) 
           ( 16.4%)
NL_b        09:10      00:00 (  0.0)   00:00 (  0.0)   09:10 (100.0) 
           (  9.8%)
UK_b        57:34      05:00 (  8.7)   15:53 ( 27.6)   36:41 ( 63.7) 
           ( 61.2%)
OTHER_b     11:51      00:00 (  0.0)   02:20 ( 19.7)   09:31 ( 80.3) 
           ( 12.6%)
  
              TOT        % 
ES          46:30    ( 22.5)  
NL          22:39    ( 11.0)  
UK         117:58    ( 57.1)  
OT          19:24    (  9.4)  
  ---------------------------------------------- 
ALL        (206.5)h