Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.034822 -0.009741 -0.005717  0.005554  0.255790 

Coefficients:
                      Estimate Std. Error t value Pr(>|t|)    
(Intercept)          0.0088706  0.0064847   1.368 0.171777    
xCaribbean           0.0001868  0.0079948   0.023 0.981367    
xCentral America     0.0142122  0.0075383   1.885 0.059804 .  
xCentral Asia        0.0114204  0.0101386   1.126 0.260376    
xEastern Africa      0.0259546  0.0073620   3.525 0.000451 ***
xEastern Asia        0.0036418  0.0079421   0.459 0.646707    
xEastern Europe      0.0006214  0.0074644   0.083 0.933682    
xMelanesia           0.0014734  0.0088597   0.166 0.867971    
xMicronesia         -0.0021706  0.0088597  -0.245 0.806529    
xMiddle Africa       0.0076846  0.0091707   0.838 0.402351    
xNA                 -0.0061068  0.0081129  -0.753 0.451872    
xNorthern Africa     0.0169370  0.0098345   1.722 0.085481 .  
xNorthern America   -0.0031389  0.0101386  -0.310 0.756962    
xNorthern Europe    -0.0028665  0.0069917  -0.410 0.681942    
xPolynesia          -0.0046396  0.0088597  -0.524 0.600676    
xSouth America       0.0040345  0.0072104   0.560 0.575978    
xSouth-Eastern Asia  0.0087149  0.0073807   1.181 0.238102    
xSouthern Africa     0.0165210  0.0093598   1.765 0.077991 .  
xSouthern Asia       0.0153396  0.0078929   1.943 0.052367 .  
xSouthern Europe    -0.0026714  0.0072232  -0.370 0.711615    
xWestern Africa      0.0218348  0.0074421   2.934 0.003458 ** 
xWestern Asia        0.0074267  0.0078929   0.941 0.347069    
xWestern Europe     -0.0015272  0.0070107  -0.218 0.827619    
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.02338 on 689 degrees of freedom
Multiple R-squared:  0.1385,	Adjusted R-squared:  0.111 
F-statistic: 5.036 on 22 and 689 DF,  p-value: 0.000000000001182