Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.06305 -0.02734 -0.02698 -0.01506  0.68677 

Coefficients:
            Estimate Std. Error t value Pr(>|t|)   
(Intercept) 0.016290   0.008782   1.855  0.06403 . 
xAmericas   0.011054   0.012296   0.899  0.36895   
xAsia       0.022004   0.012136   1.813  0.07024 . 
xEurope     0.010901   0.010544   1.034  0.30159   
xOceania    0.046766   0.015428   3.031  0.00252 **
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.0966 on 707 degrees of freedom
Multiple R-squared:  0.01467,	Adjusted R-squared:  0.009095 
F-statistic: 2.631 on 4 and 707 DF,  p-value: 0.03331