Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.05392 -0.00222 -0.00114 -0.00073  0.67696 

Coefficients:
             Estimate Std. Error t value         Pr(>|t|)    
(Intercept)  0.002232   0.005164   0.432            0.666    
xAmericas   -0.001001   0.007230  -0.138            0.890    
xAsia        0.051686   0.007136   7.243 0.00000000000115 ***
xEurope     -0.001089   0.006200  -0.176            0.861    
xOceania    -0.001578   0.009072  -0.174            0.862    
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.0568 on 707 degrees of freedom
Multiple R-squared:  0.1159,	Adjusted R-squared:  0.1109 
F-statistic: 23.18 on 4 and 707 DF,  p-value: < 0.00000000000000022