How Australian are you?

The title says it all. Take this quiz even if you're not Australian.

1 Let's start off easy: What is the Australian currency?
2 What's that big island state in the south called?
3 How often do you say "mate".
4 How long have you been in Australia for?
5 Which are there more of in Australia, kangaroos or humans?
6 How active are you?
7 Decipher this: Dazza and Shazza played Acca Dacca on their way to Maccas.