Colombia, 1891

If the low platina yield is correct, Platinum was ~2.4% the total Gold Yield around 1891.

In 1891, Colombia produced ~4,019 ozt (125 kgs) platina. 
In 1891, Colombia produced ~167,956 ozt (5,224 kgs) Gold.   

1891: 1 Troy Ounce platina (Colombian ore export, ~83%) = C$ 9.46 
1891: 1 Troy Oz. platina (Colombian ore, at purity) ~ C$ 11.39

Citation: Colombia 1893; Clímaco Calderón and Edward E. Britton (1893) p.96