 Complete the following phrase:  Gold accounted for some 80 of mining activity in the mid-2000s, while there remain considerable proven reserves of other minerals not currently exploited. Gold has become Malis largest export, after cottonhistorically the basis of Malis export industryand livestock. The emergence of gold as Malis leading export product since 1999 has helped mitigate some of the negative impacts caused by fluctuations in world cotton markets and loss of trade from the 