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.
â¢ Total trade (exports and imports) accounted for 30% of U.S. GDP in 2013. â¢ U.S. exports totaled a record $2.3 trillion in 2013, up 2.9% from 2012 and 44.0% from. 2009 when the global crisis caused a worldwide drop in exports. â¢ In 2013, exports were up $63.7 billion from 2012, with goods exports increasing by.