Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.03860 -0.02002 -0.01318  0.01064  0.16700 

Coefficients:
              Estimate Std. Error t value         Pr(>|t|)    
(Intercept)  0.0215098  0.0030194   7.124 0.00000000000259 ***
xAmericas    0.0170887  0.0042275   4.042 0.00005875550793 ***
xAsia       -0.0001124  0.0041727  -0.027            0.979    
xEurope     -0.0019213  0.0036253  -0.530            0.596    
xOceania     0.0030628  0.0053044   0.577            0.564    
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03321 on 707 degrees of freedom
Multiple R-squared:  0.0416,	Adjusted R-squared:  0.03618 
F-statistic: 7.672 on 4 and 707 DF,  p-value: 0.000004705