15-36  Number of Civil Aviation Routes and Civil Aircrafts
Item	1990	1995	2000	2005	2006	2007
Number of Civil Aviation Routes   (line)	437	797	1165	1257	1336	1506
International Routes	44	85	133	233	268	290
Domestic Routes	385	694	1032	1024	1068	1216
Regional Routes	8	18	42	43	43	48
Length of Civil Aviation Routes      (km)	506762	1128961	1502887	1998501	2113505	2342961
International Routes	166350	348175	508405	855932	966168	1047418
Domestic Routes	329493	750794	994482	1142569	1147337	1295543
Regional Routes	10919	29992	55759	61056	62846	71169
Number of Civil Airports              (unit)	94	139	139	135	142	148
Number of Civil Aircraft               (unit)	503	852	982	1386	1614	1813
Aero Transport	204	416	527	863	998	1134
Air bus		330	462	785	921	1050
Boeing 747	11	16	19	22	30	35
Boeing 737	21	115	186	358	418	486
Boeing 757	9	44	48	64	60	56
Boeing 767	6	17	16	27	29	22
MD-90			22	22	22	22
MD-82	25	39	27	15	12	12
Airbus A310	2	3	3	3
Airbus A320		1	60	115	141	160
BB-146	10	14	7	4
Puddle-jumper		86	65	78	77	84
General Aircraft	217	306	301	383	457	457
Teaching Verifying Aircraft	82	130	154	140	159	222
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 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.