how is the tax rate for foreign income lower in each year? what numbers do i look at?

Use this information for the following three questions. The components of earnings before income taxes are as follows ($thousands): 2007 2006 2005 Earnings before income taxes: Unites States $98,157 $85,658 $69,973 Foreign $126,704 $123.509 $104.760 Total: $224,861 $209,167 $174,733 2006 The components of the provision for income taxes are as follows ($ thousands): 2007 2005 Income Taxes Current: Federal $35,632 $27,031 $23,959 $33.140 $32.961 $27.263 $68,772 $59,992 $51,222 Deferred: Federal ($4,252) $5,638 $2,836 Foreign $324 $1.930 ($3.928) $7.658 $3.657 Total $64,844 $67,650 $54,879 Foreign Question 11 1/1 pts Compared to the company's effective tax rate on U.S. income, its effective tax rate on foreign income was: Correct! lower in each year presented