Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.07851 -0.01104 -0.00420 -0.00189  0.89789 

Coefficients:
             Estimate Std. Error t value      Pr(>|t|)    
(Intercept)  0.004203   0.007236   0.581         0.562    
xAmericas   -0.000807   0.010131  -0.080         0.937    
xAsia       -0.002312   0.009999  -0.231         0.817    
xEurope      0.006843   0.008688   0.788         0.431    
xOceania     0.074304   0.012712   5.845 0.00000000772 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.07959 on 707 degrees of freedom
Multiple R-squared:  0.06022,	Adjusted R-squared:  0.0549 
F-statistic: 11.33 on 4 and 707 DF,  p-value: 0.000000006504