Table 4: The freight flows between two cities (unit: loaded-semitrailer).

ToFrom
JNAQDZBZZHDYYTWFJNITAWHRZHLWLYDZHLCHBZHHZ

JNA01212131000010121
QD106046170123121110
ZB14012231110023301
ZZH10100000100000000
DY23200110100011100
YT16202040011010000
WF314301400111121130
JNI10100000000010200
TA01111010000022311
WH02101110000000000
RZH03100110000000000
LW00001010000010110
LY12301121200100010
DZH00301011200000210
LCH11301012200102011
BZH21000040100111100
HZ10100000100000100