Annex 1 A % ( $ , (( \" # =% ;; > ( /) ( ( ## # ( (\"( # ( , ( 8 # \" (=\"> ) ( ( $ %+ \" ( # ( , \" \" # 7)?7) A C% % $ , (( \" # 0)70 / $ (% ) ( $ \" ( (\"+ # ( % ( ,%+ \" ( )( \" # 1% $ $ (% ) A :6 $( % $ $ (% \" % )/ /? )( (\"+ $ ( , \" # /$ (% ) A :6 = >% % % $ $ (% )(# + , \" # 01$ (% ) ( 86 $( % $ , ( 8 /$ (% ) *# \" ( , ( \" ,# )( + $ ( # ( ( % ) 4. Weighting and aggregation ( % ( 5 \"( % ( * % ( ( 6 8 $ )/* ( \"( # ( % ) 5. Calculating the IDI % $ %+ \" ( \"( # ( ( $ %\" $) % %+86 $( % $ $ (% , % % $ $ (% , % ( $ , $ \" # ( ( ( $ $ \" # ( ( ( ( ) % %+$ \" # \" ( , #6 = >% % Annex Box 1.1: Weights used for indicators and sub-indices included in the IDI Weights (Indicators) Weights (Sub-index) ICT access Fixed-telephone subscriptions per 100 inhabitants 0.20 Mobile-cellular telephone subscriptions per 100 inhabitants 0.20 International Internet bandwidth per Internet user 0.20 Percentage of households with a computer 0.20 Percentage of households with Internet access at home 0.20 ICT use 0.40 Percentage of individuals using the Internet 0.33 Fixed (wired)-broadband Internet subscriptions per 100 inhabitants 0.33 Active mobile-broadband subscriptions per 100 inhabitants 0.33 ICT skills 0.40 Adult literacy rate 0.33 Secondary gross enrolment ratio 0.33 Tertiary gross enrolment ratio 0.33 0.20 Source: ITU. 138