Yr   M   D    W    Wn     Ws       S     Sn     Ss
 2020   4  1    12    12     0        23     23      0
 2020   4  2    12    12     0        30     30      0
 2020   4  3    12    12     0        42     42      0
 2020   4  4     -     -     -         -      -      -
 2020   4  5     -     -     -         -      -      -
 2020   4  6     0     0     0         0      0      0
 2020   4  7     0     0     0         0      0      0
 2020   4  8     0     0     0         0      0      0
 2020   4  9     0     0     0         0      0      0
 2020   4 10     0     0     0         0      0      0
 2020   4 11     0     0     0         0      0      0
 2020   4 12     0     0     0         0      0      0
 2020   4 13     0     0     0         0      0      0
 2020   4 14     0     0     0         0      0      0
 2020   4 15     0     0     0         0      0      0
 2020   4 16     0     0     0         0      0      0
 2020   4 17     0     0     0         0      0      0
 2020   4 18     0     0     0         0      0      0
 2020   4 19     0     0     0         0      0      0
 2020   4 20     -     -     -         -      -      -
 2020   4 21     0     0     0         0      0      0
 2020   4 22     -     -     -         -      -      -
 2020   4 23     0     0     0         0      0      0
 2020   4 24     0     0     0         0      0      0
 2020   4 25     -     -     -         -      -      -
 2020   4 26    15     0    15         9      0      9
 2020   4 27    13     0    13        26      0     26
 2020   4 28    25     0    25        13      0     13
 2020   4 29     0     0     0         0      0      0
 2020   4 30    12     0    12        33      0     33
  W =   4.0    WN =   1.4    WS =   2.6
  S =   7.0   SN =    4.0   SS =    3.0