My database shows that after 1. e4 c6 2. d4 d5, white has the following main variations:
and they are equally popular among professional players. However, from my experience playing online games, I have observed that among amateur players, 3. e5 is far more popular than the other two moves. Is it true that 3. e5 is statistically more popular than 3. Nc3 and 3. exd5 among amateur players? If so, why?