The sad truth is that OP is right, we do not have the numbers. but to call libertarians right wing shows his ignorance. OP do you even know what a libertarian is? Here is a better question, do you know what you stand for? the reason libertarians are associated with the republican party is because they at least still pay lip service to being fiscally conservative.
What are important issues to you? Free everything for everyone?
You now support wars that were started on lies? You support torture in the name of national defense now?
You like the idea of Obama care? everyone having higher taxes?
You like spending tons of money we don't have on god only knows what?
You love that the government controls every aspect of your life?
You like that the government would take away your countryman's ability to defend themselves?
You like that the government stores every bit of information you leave anywhere?