15
14
13
12
11
10
09
08
07
06
05
6
4
2
0
-2
-4
-6
Market prices, quarter-by-quarter %
15
14
13
12
11
10
09
08
07
06
05
6
4
2
0
-2
-4
-6
Market prices, quarter-by-quarter percentage
15
14
13
12
11
10
09
08
07
06
05
6
4
2
0
-2
-4
-6
Market prices, quarter-by-quarter percentage
15
14
13
12
11
10
09
08
07
06
05
Market prices, quarter-by-quarter percentage
6
4
2
0
-2
-4
-6