| 內容簡介 | The World Telecommunication/ICT Indicators Database contains time series data for the years 1960, 1965, 1970 and annually from 1975 to 2005 for around 80 communications statistics covering telephone network size and dimension, other services, quality of service, traffic, staff, tariffs, revenue and investment. Data for 2005 are available for selected indicators such as main telephone lines in operation, mobile cellular subscribers, internet users and internet subscribers. Selected demographic, macro-economic and broadcasting statistics are also included. Data are available for over 200 economies.<摘錄自媒體封面或內頁> |