The Luhn Formula: 1  Drop the last digit from the number. The last digit is what we want to check against. 2  Reverse the numbers. 3  Multiply the digits in odd positions (1, 3, 5, etc.) by 2 and subtract 9 to all any result higher than 4  9. Add all the numbers together.
Australia Exports of Goods and Services is at 19.79%, compared to 20.90% last year. This is higher than the long term average of 16.23%. Categories: Components of GDP, International Transactions. Region: Australia. Report: World Development Indicators.
Australia: Australia is New Zealand's second largest trading partner after China and held the number one position prior to 2013. In the year ended September 2014, two-way merchandise trade amounted to $14.8 billion, with Australia taking 17.4% of New Zealand's exports and supplying 12.3% of imports.