A recent Gallup poll shows the early adopters of Bitcoin among American investors.
2% might not sound like it's a lot but it's a very good start for such a new investment category. The question is what else needs to be done to get that 2% number higher?
You can read about the poll and the other results of the survey here:
https://bitcoinist.com/quarter-us-investors-intrigued-bitcoin-poll/For advance country like america, i think 2% is too little. If 20% peoples America start investing their money in cryptocurrency market, I am believe crypto market will more attractive. But i am believe in next years, many peoples in the world will involve in crypto market because crypto right now gain more popularity