How Australian are you?

The title says it all. Even if you're not Australian, take this quiz.

1 Let's start easy: What's the Australian currency?
2 Are drop bears real?
3 For how long have you been in Australia?
4 How often do you say "mate"?
5 Decipher this: Dazza and Shazza played Acca Dacca on the way to Maccas.