Number of Civil Aviation Routes and Civil Aircraft
Item	1990	1995	2000	2001	2002	2003
Number of Civil Aviation Routes (line)	437	797	1165	1143	1176	1155
International Routes	44	85	133	134	161	194
Domestic Routes	385	694	1032	1009	1015	961
Regional Routes	8	18	42	42	44	43
Length of Civil Aviation Routes (km)	506762	1128961	1502887	1553596	1637708	1750000
International Routes	166350	348175	508405	516859	574470	715000
Domestic Routes	329493	750794	994482	1036737	1063238	1034000
Regional Routes	10919	29992	55759	55759	61626	63000
Number of Civil Airports (unit)	94	139	139	143	141	126
Number of Civil Aircraft (unit)	499	852	982	1031	1112	1190
Aero transport			527	566	602	664
Air bus			462	486	525	580
Boeing 747	11	16	19	17	20
Boeing 737	21	115	186	198	234
Boeing 757	9	44	48	52	54
Boeing 767	6	17	16	17	18
MD-90			22	22	22
MD82	25	39	27	27	26
Airbus A310	2	3	3	3	3
Airbus A320			60	63	65
Tupolov 154	20	33	10	4
BB-146	10	14	7	14	2
Puddle-jumper			65	80	77	84
Yun 7	45	67	22	21	11
General Aircraft			301	296	335	343
a) Before 1997 the number of civil airports and aircraft refered to those owned by enterprises directly under the Civil Aviation Administration of China. 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 included 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 have been taken as domestic routes, and adjustment are also made on the length of aviation routes and traffic volume accordingly. Since 1999, regional routes have been 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 aircraft includes teaching aircraft and check aircraft.