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Item	1990	1995	2000	2002	2003

Number of Civil Aviation Routes (line)	437	797	1165	1176	1155
International Routes	44	85	133	161	194
Domestic Routes	385	694	1032	1015	961
Regional Routes	8	18	42	44	43
Length of Civil Aviation Routes (km)	506762	1128961	1502887	1637708	1749545
International Routes	166350	348175	508405	574470	715269
Domestic Routes	329493	750794	994482	1063238	1034276
Regional Routes	10919	29992	55759	61626	62874
Number of Civil Airports (unit)	94	139	139	141	126
Number of Civil Aircraft (unit)	499	852	982	1112	1160
Aero transport			527	602	664
Air bus			462	525	580
Boeing 747	11	16	19	20	19
Boeing 737	21	115	186	234	264
Boeing 757	9	44	48	54	55
Boeing 767	6	17	16	18	22
MD-90			22	22	22
MD-82	25	39	27	26	26
Airbus A310	2	3	3	3	3
Airbus A320			60	65	76
Tupolov 154	20	33	10
BB-146	10	14	7	2	7
Puddle-jumper			65	77	84
Yun 7	45	67	22	11	7
General Aircraft			301	335	343


a) Before 1997，the number of civil airports and aircrafts refers to those owned by enterprises directly under CAAC. Since 1997, it refers to those
owned by all enterprises of civil aviation. The same as in the following table.
b) Before 1997, regional routes includes the routes to and from Hong Kong, Macao, and are taken as the parataxis item as the item of domestic routes
and international routes. Since 1997, regional routes to and from Hong Kong are taken as domestic routes, and adjustment are also made on the
length of aviation routes and traffic volume accordingly. Since 1999, regional routes are taken as a part of domestic routes, and include the aviation
routes to and from Hong Kong, Macao. The same as in the following table.
c) Number of civil aircrafts include the teaching aircrafts and check aircrafts.