Production 2Q 20172Q 2016Change (%)20162015Change (%) Payable copper (kt) 168 170 -1 677 718 -5.7 Metallic silver (t) 302 276 +10 1 207 1 299 -7.1 Precious metals production (koz t) 50.4 56.1 -10 228.8 205.0 +11.6