Canadian gold miner Centerra Gold has seen a 36% decrease in gold ounces sold in the first half of 2016, with recorded net earnings of $21.1-million, or $0.09 a common share, for the period under review, against $62.6-million, or $0.26 a share, recorded in the first half of 2015. Gold production for the first six months of 2016 also saw a year-on-year decrease, with 185 316 oz recorded, compared with 292 176 oz recorded in the comparative period in 2015.