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However , the user should not expect to find the budget categories to be similar from year to year or to be broken down into smaller project fields . International economic factors have been missing from the debate and we need true leadership that will look at the big picture . Dr Narayan estimates that more than a million tonnes of salt is diverted from reaching the River Murray annually , a figure which will increase in coming years . Oil drilling activity was up from a year ago . Individuals with unknown plans accounted for less than 10 % of respondents and were eliminated from further analysis .