Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.04166 -0.03145 -0.00525 -0.00088  0.41204 

Coefficients:
             Estimate Std. Error t value           Pr(>|t|)    
(Intercept)  0.041663   0.005333   7.813 0.0000000000000202 ***
xAmericas   -0.036407   0.007466  -4.876 0.0000013363078773 ***
xAsia       -0.040518   0.007369  -5.498 0.0000000536109052 ***
xEurope     -0.010203   0.006403  -1.594              0.111    
xOceania    -0.040779   0.009368  -4.353 0.0000154104945168 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.05866 on 707 degrees of freedom
Multiple R-squared:  0.07192,	Adjusted R-squared:  0.06667 
F-statistic:  13.7 on 4 and 707 DF,  p-value: 0.00000000009179