a) The business volumes of post and telecommunication services before 2000 were calculated at 1990's constant prices and these since 2000 were calculated at 2000's constant prices. The increase rate at comparable price in 2001 was 27.6%.
b) Number of subscribers of Internet service includes dial-up subscribers and ISDN subscribers.
c) Number of subscribers of public telephone in 2002 included the smart net special end-users which were installed at the public spatial, such as street. The data are not comparable whith the previous years.
