Yes • 50%

No • 50%

Increase mining operations • 33%

Maintain current operations • 33%

Decrease operations due to other factors • 34%

BHP • 25%

Rio Tinto • 25%

Vale • 25%

Glencore • 25%

Deficit increases • 33%

Deficit stays the same • 33%

Deficit decreases • 34%

China • 25%

USA • 25%

Australia • 25%

Canada • 25%

BHP becomes largest copper producer • 33%

BHP in top three but not largest • 33%

BHP does not enter top three • 34%

Yes • 50%

No • 50%

Increase • 33%

Decrease • 33%

No significant change • 34%

Significant positive impact • 33%

Neutral impact • 33%

Negative impact • 34%

Chile • 25%

China • 25%

Peru • 25%

USA • 25%

No significant change • 33%

Moderate increase • 33%

Significant increase • 34%

Yes • 50%

No • 50%