5

2

SNA

12

2003 3

SNA

1

2004

2 3

1

2004

5

6 5,000

8,000

2005

1

55,056

5,003 60,059

30 30 34 35 39

40 44 45 49 50 54

55 59 60 64 65 69

70

200 200 300

300 400 400 500

500 600 600 800

800 1000 1000

SNA

1

2

SNA

SNA

1

1 2 SNA

3 SNA 15 3 167

SNA

SNA

SNA

2004 1 12

9 11 10 11

2005

2004

2004

SNA

SNA 2004

11.5

a

b

c

d

e

f

SNA

g

h

i

j

k

l

2

18

SNA

2

SNA 87.9

SNA

SNA

SNA

SNA

SNA

SNA

3

16 17 SNA