Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.12022 -0.00650 -0.00066 -0.00055  0.42832 

Coefficients:
             Estimate Std. Error t value            Pr(>|t|)    
(Intercept)  0.120217   0.006140   19.58 <0.0000000000000002 ***
xAmericas   -0.112758   0.008597  -13.12 <0.0000000000000002 ***
xAsia       -0.117237   0.008486  -13.82 <0.0000000000000002 ***
xEurope     -0.119552   0.007372  -16.22 <0.0000000000000002 ***
xOceania    -0.120107   0.010787  -11.13 <0.0000000000000002 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.06754 on 707 degrees of freedom
Multiple R-squared:  0.3018,	Adjusted R-squared:  0.2979 
F-statistic: 76.41 on 4 and 707 DF,  p-value: < 0.00000000000000022