thousand tons
1997
1998
38.0
46.1
+8.1
30.1
34.9
+4.8
4.0
5.1
+1.1
4.6
5.4
+0.8
8.9
9.6
+0.7
7.2
7.8
+0.6
2.7
3.0
+0.3
1.7
1.9
+0.2
1.1
1.3
3.8
3.9
+0.1
1.4
0.8
0.83
+0.03