3014 Unit tariff of water supply (yen/m3)
No. of Effective Data: 1,556
Unit tariff of water supply = Water supply revenue[yen] / Revenue water volume[m3]
x 100 (yen/m3)
250
100%
229
217
200
186
178
75%
No. of Utilities
164
150
136
50%
112
100
75
66
54
50
25%
34
32
18
0
1
18
5
10
16
2
2
1
400<
380-400
360-380
340-360
320-340
300-320
280-300
260-280
240-260
220-240
200-220
180-200
160-180
140-160
120-140
100-120
80-100
60-80
40-60
20-40
0-20
0%
0
0
3014 Unit tariff of water supply (yen/m3)
50%
175.9
169.7
173.8
172.8
25%
140.4
134.3
138.6
137.4
5%
95.2
67.4
77.1
70.1
[Tendency of past 4 years]
400
Bulk Water Supply Utility
(No. of Data:84)
19
15
100%
13
12
12
75%
No. of Utilities
[Percentile Value]
W.S. 95%
75%
2004 283.6 215.5
2005 282.3 213.3
2006 287.8 216.1
2007 281.9 214.9
9
10
8
50%
4
5
25%
2
300
1
0 0
0 0 0 0 0
0%
0
0-20
20-40
40-60
60-80
80-100
100-120
120-140
140-160
160-180
180-200
200-220
220-240
240-260
260-280
280-300
300-320
320-340
340-360
360-380
380-400
400<
0
75%
50%
25%
200
1 1 1 1
0 0
95%
3014 Unit tariff of water supply (yen/m3)
100
5%
[Percentile B.W.S.
Value] 2006
0
2004
2005
2006
2007
2007
95%
182.0
182.9
75%
132.1
132.1
50%
100.6
102.2
25%
70.1
71.1
5%
24.1
50.2
[Scatter Plot of W.S.Population (X) and PI Value (Y)]
400
300
200
100
0
1,000
10,000
100,000
65
1,000,000
10,000,000