Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.03771 -0.03545 -0.00235 -0.00100  0.52698 

Coefficients:
              Estimate Std. Error t value     Pr(>|t|)    
(Intercept)  0.0010134  0.0055186   0.184        0.854    
xAmericas    0.0013350  0.0077267   0.173        0.863    
xAsia        0.0016148  0.0076264   0.212        0.832    
xEurope      0.0366968  0.0066260   5.538 0.0000000431 ***
xOceania    -0.0004374  0.0096949  -0.045        0.964    
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.0607 on 707 degrees of freedom
Multiple R-squared:  0.07698,	Adjusted R-squared:  0.07176 
F-statistic: 14.74 on 4 and 707 DF,  p-value: 0.0000000000142