Explanatory Notes on Main Statistical Indicators
Length of Railways in Operation refers to the total length of the trunk
line for passenger and freight transportation in full operation or temporary
operation.
Length of Highways
refers to the actual length of highways at the end of reference period.
It covers public roads running vehicles among cities, city and rural areas,
township (villages), highways passing through streets at small cities and
towns, length of bridges and tunnels, width of ferry piers. It does not include
the length of streets in cities, dead end highways, the length of streets built
for agricultural (forest) production and inside factories (mines). It can only
be calculated with the actual mileage having been completed, checked and
accepted or put into operation. If two or more highways go the same section of
the way, the length of the section is only calculated for once.
Length of Navigable Inland Waterways refers to the length of natural rivers,
lakes, reservoirs and canals that are open to navigation for ships and rafts
during a given period. It includes the channels with annual seasonal navigation
for more than three months other than the waterways only for scattered bamboo
and wooden rafts. If two provinces share one river as the border, the length of
waterways will be half divided for each province to avoid duplication.
Length of Routes with Scheduled
Flights refers to
the total length of all routes for scheduled flights, which is calculated using
million kilometres as the unit. There are usually two ways to calculate the
route length: duplicated calculation and non-duplicated calculation. Duplicated
calculation means that the same segment of different routes can be added
duplicately, while the non-duplicated calculation allows the same segment of
different routes be counted once only.
Freight (Passenger) Traffic refers to the volume of freight
(passenger) transported with various means. Freight transport is calculated in
tons and passenger traffic is calculated in the number of persons. Despite the
type of freight and traveling distance, the freight transport is calculated in
the actual weight of the goods: and despite the traveling distance and ticket
price, the passenger traffic is calculated by the principle that one person can
be counted only once in one travel. The passengers who travel with a half price
ticket or a child ticket is also calculated as one person. The freight
(passenger) traffic provides a quantitative measure to show how the transport
industry serves the national economy and people, and is also an important
indicator for planning the transport industry and for studying the development
scale and speed of the transport industry.
Freight Ton-kilometers (Passenger-kilometers) refer to the sum of the products of
the volume of transported cargo (passengers) multiplying by the transport
distance. It is an important indicator to reflect the achievement of
transportation industry. Normally, the shortest distance between the departure
station and the destination station (i.e., the payable distance) is the basis
to calculate the freight ton-kilometers. This is an important indicator to show
the total results of the transport industry, to prepare and examine the
transport plan and to measure the efficiency, the labor productivity and the
unit cost of transport. The formula is as follows:
Freight Ton-kilometers
(Passenger-kilometers) =��{Freight (Passenger) Traffic x Distance of
Transportation}
Measuring unit:
ton-kilometer (person-kilometer)
Business Volume of Post and Telecommunications refers to the total amount of postal
services, expressed in value terms, provided by the post and telecommunications
departments for society. This indicator reflects the overall results of
development of postal and telecommunication services. It can be classificated
as postal services and telecommunication services. Business volume of post and
telecommunications is the sum of all services in kind multiplying with the unit
price (constant price) to get the total business value.
Mobile Telephone Subscribers refer to persons who have gone through
registration procedures in the operation points of enterprises engaged in
telecommunications and are hence connected with the mobile telephone
communication network through the mobile telephone switchboards and occupy
mobile phone numbers. Included are various types of subscriber, prepaid users
for intelligent network and wireless network card users.
Local Telephone Subscribers refer to all subscribers who have
gone through registration procedures in the operation points of enterprises
engaged in telecommunications and are hence connected to the local telecommunications
service provider through fixed line network. Included are general subscribers,
wireless local telephone subscribers, public telephones subscribers, N-ISDN
subscribers and intelligent network terminal subscribers.
Urban Telephone Subscribers
refer to the number of telephone subscribers, located at the
municipalities directly under the Central Government, cities under the
jurisdiction of province, cities at prefecture level, downtown and suburb of
city at county level town and county towns according to the administrative
division, including subscribers in rural mineral area, forest area, military
area that are at or above county level.
Rural Telephone Subscribers refer to telephone subscribers, located
at the towns and villages outside the coverage of urban areas according to the
administrative division.
Household Telephone Subscribers refer to all kinds of subscribers
with telephone sets paid privately or installed in the dwelling units of
residents, and registered as private subscribers or residence subscribers for
payment.
Broadband Connection Terminals
refer to the connection terminal to internet users actually installed
and put into operation, including connection terminals for XDSL, connection
terminals for LAN, and other types of connection terminals. N-ISDN connection
terminals are not included.
Internet Users refer to the number of
Chinese citizens aged 6 and over who use the Internet in the past six months.