Dopey, well, you wouldn't would you, because you haven't looked at the derivatives positions of the major banks, in the notes to the accounts or anywhere else, as I suggested. It'll take you a couple of days to do properly, not 36 minutes looking for a cut 'n paste which doesn't even mention Australian banks!
Now, as far as our banks and China are concerned (and we're talking debt plain and simple, not derivatives), here's an article by someone else who has done some digging:
"In other words, we now have additional evidence of the growing vulnerability of Australia specifically. As we already pointed out in our musings about how “financial contagion” might spread from China in spite of its closed capital account, Australia is a pivotal region. Australia's economy greatly depends on China's commodity imports, and its banks have financed an enormous real estate bubble on the back of the commodities boom.
Moreover, Australia's banking system itself is highly dependent on foreign short term funding sources. Although the chart above doesn't tell us anything about the maturities of the claims on China, we would not be surprised if many or even most of the loans to China had much longer maturities than the foreign funding Australian banks get from (mainly) Europe. The main point is though that we have yet another source of potential trouble for Australia here – the exposure of Australian banks to China amounts to 9% of Australia's GDP at this point."