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.
Australiaâs Composition of Trade publication. When the first Composition of Trade was released by the Department of Trade and Industry in 1964, trade. constituted 28.7 per cent of Australiaâs Gross Domestic Product (GDP) with two-way goods and services trade. at $6.1 billion.