Bourbon whiskey bourbon and Tennessee whiskey together. According to the Distilled Spirits Council, during 2009–2014, the volume of 9-liter cases of whiskey increased by 28.5% overall. Higher-end bourbon and whiskeys experienced the greatest growth. During 2009–14, the volume of the value segment increased by 12.1%, premium by 25.8%, high-end premium by 27.8%, and super-premium by 123.8%. Gross supplier revenues (including federal excise tax) for U.S. bourbon and Tennessee whiskey increased by 46.7% over the 2009–14 period, with the greatest growth coming from high-end products (18.7% growth for value, 33.6% for premium, 44.5% for high-end premium, and 137.2% for super-premium). In 2014, more
Canadian whisky more rye is required if it were added to a mash bill alongside the more readily distilled corn. The base whiskies are distilled to 180 to 190 proof which results in few congener by-products (such as fusel alcohol, aldehydes, esters, etc.) and creates a lighter taste. By comparison, an American whisky distilled any higher than 160 proof is labelled as "light whiskey". The flavouring whiskies are distilled to a lower proof so that they retain more of the grain's flavour. The relative lightness created by the use of base whiskies makes Canadian whisky useful for mixing into cocktails and highballs.