Aged 16-74. DSK2_CC - Digital Skills – Communication and collaboration
List of conditions for DSK_CC: IUEM=1, IUPH1=1, IUCHAT1=1, IUSNET=1, IUPOL2=1, IUVOTE=1
  0 - If no condition from the following list is met, then 0 (no skills)
  1 - If one condition is met, then 1 (basic)
  2 - If several conditions are met, then 2 (above basic)
  9 - Not applicable (IU=Blank or IU ne 1)

Individuals with basic communication and collaboration skills
sum of IND_WGHT where (DSK2_CC=1)
