16-33  Number of Civil Aviation Routes and Civil Aircrafts
Item	1990	1995	2000	2005	2010	2011
Number of Regular Civil Aviation Routes(line)	437	797	1165	1257	1880	2290
International Routes	44	85	133	233	302	443
Domestic Routes	385	694	1032	1024	1578	1847
Regional Routes	8	18	42	43	85	91
Length of Regular Civil Aviation Routes    (km)	506762	1128961	1502887	1998501	2765147	3490571
International Routes	166350	348175	508405	855932	1070167	1494387
Domestic Routes	329493	750794	994482	1142569	1694980	1996184
Regional Routes	10919	29992	55759	61056	121437	135103
Number of Regular Civil Airports Opened(unit)	94	139	139	135	175	178
Number of Civil Aircraft               (unit)	503	852	982	1386	2405	3191
Aero Transport	204	416	527	863	1597	1764
Air bus		330	462	785	1453	1601
Boeing 747	11	16	19	22	40	40
Boeing 737	21	115	186	358	650	700
Boeing 757	9	44	48	64	48	51
Boeing 767	6	17	16	27	18	15
MD-90			22	22	11
Airbus A320		1	60	115	281	357
Puddle-jumper		86	65	78	144	163
General Aircraft	217	306	301	383	606	1124
Teaching Verifying Aircraft	82	130	154	140	202	303
a) Before 1992, the number of civil airports and aircrafts  refers to those owned by enterprises directly under CAAC. Since 1992, it refers to those
owned by all enterprises of civil aviation. The same applies to the tables following.
b) Before 1997, regional routes include the routes to and from Hong Kong, Macao, and are taken as parallel items to the items 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 applies to the tables following.
c) Since 2011, civil aviation routes change to regular civil aviation routes, civil airports opened change to regular civil airports opened.