15-37    Number of Civil Aviation Routes and Civil Aircrafts
Item	1985	1990	1995	2000	2001
Number of Civil Aviation Routes	268	437	797	1165	1143
International Routes	27	44	85	133	134
Domestic Routes	233	385	694	1032	1009
Regional Routes	8	8	18	42	42
Length of Civil Aviation Routes      (km)	277217	506762	1128961	1502887	1553596
International Routes	105959	166350	348175	508405	516859
Domestic Routes	160323	329493	750794	994482	1036737
Regional Routes	10935	10919	29992	55759	55759
Number of Civil Airports	82	94	139	139	143
Number of Civil Aircraft	472	499	852	982	1031
Aerotransport				527	566
Air bus				462	486
Boeing 747	6	11	16	19	17
Boeing 737	15	21	115	186	198
Boeing 757		9	44	48	52
Boeing 767	2	6	17	16	17
MD-90				22	22
MD-82	5	25	39	27	27
Airbus A310	2	2	3	3	3
Airbus A320				60	63
Tupolov 154	2	20	33	10	4
BB-146		10	14	7	14
Puddle-jumper				65	80
Yun 7	13	45	67	22	21
General Aircraft				301	296
a) The number of civil airports and aircrafts in 1985 and 1990 refers to those owned by enterprises directly under CAAC. Since then, 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.