It really depends on the type of yeast. Using WLP001, Nottingham, and EC1118 I get it down to 1.000 to .998, so very little, but those I only target 8-10% ABV. I just did a batch with turbo yeast, was targeting 16% and got closer to 20%, FG .995. The 8-12% had a bit of a chardonnay flavor to it...