2
100
240 2.5
8
1.
4878 km 5790 430 160 ~ 173 88 89 176
1974 3 1975 9 12% 42% 42% 15% 8 % 600
2400
2.
12104 km
243 225
30 14 16 4 110
90 480
3.
6794 km 24.6 687 95% 1% 27 123
2015 2018
2
4.
11 142984km 1000 168
75% 24% 1% 7 2.5
9 50 30 11.86 3 130 ~150
79 1 2 3 4 1610
5.
120540 km 191 1600km 10 39 29.4 14.32 km 7
62 5150km
6.
51118km 17 14 84.3 197.2 27
13
7.
49532km 60 15 58 60.3 214 14
30 1.5 km 45 4.16 10 ~20 2 6.3~12.6
1 2
1977 7 7 43 216 3