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The components of income tax expense for 2013, 2012 and 2011 are as follows (in thousands): 

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The differences in income tax expense computed using The Netherlands statutory income tax rate of 25%, 25% and 25% in 2013, 2012 and 2011, respectively, and our income tax expense as reported in the accompanying Consolidated Statements of Operations for 2013, 2012 and 2011 are as follows (in thousands): 

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Included in Adjustments of prior year taxes in 2011 is the reversal of $10.4 million in tax liabilities provided over the period 2007-2010 as a result of recently concluded audits of prior year returns. The remainder reflects adjustments between the tax accrual for prior year taxes and the tax liability reported in the filed tax returns. 

