WPI
30.7
30.8
30.7
30.7
30.8
30.5
30.5
30.6
30.7
30.6
30.7
30.7
30.6
30.5
30.6
30.7
30.7
30.6
30.7
30.7
30.9
31.2
31.4
31.6
32.1
32.2
32.6
32.4
32.3
32.3
32.4
32.5
32.9
33.1
33.3
33.4
33.9
34.4
34.7
35
35.5
35.7
35.9
35.9
36.5
36.9
37.2
37.2
37.9
38.3
38.8
39.2
41.1
43.1
44.9
45.3
48.3
50
53.6
55.4
55.4
56
57.2
57.8
58.1
59
59.7
60.2
61.6
63
63.1
63.9
65.4
67.4
68.4
70
72.5
75.1
77.4
80.2
83.9
85.6
88.4
90.4
93.1
95.2
95.9
95.8
96.6
96.7
97.1
97.2
97.3
97.6
98.6
99.1
100.2
100.8
100.6
100.3
100.1
100.2
99.5
100.1
98.6
96.8
96.3
96.7
97.8
99.4
100.5
101
101.6
103.2
104.7
105.2
107.5
109.4
109
109.4
111
110.8
112.8
116.2
113.8
112.7
112.5
112.7
112.4
113.6