1btc a year.. you can earn that in 1yr by faucet. everyday... but you can earn 1btc in just one month or 2 months by doing another way.
try coinbase register there and invite people to join to your referal and if the referal peorse got buy 1btc on coinbase you can earn 0.1 plus btc. invite more and told him to buy bitcoin and you can earn btc much easy and afast...