Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.07652 -0.03895 -0.02143  0.01462  0.38628 

Coefficients:
                      Estimate Std. Error t value Pr(>|t|)   
(Intercept)          0.0606201  0.0187933   3.226  0.00132 **
xCaribbean          -0.0185193  0.0231700  -0.799  0.42440   
xCentral America    -0.0210857  0.0218468  -0.965  0.33480   
xCentral Asia        0.0007712  0.0293828   0.026  0.97907   
xEastern Africa     -0.0356919  0.0213359  -1.673  0.09481 . 
xEastern Asia       -0.0343393  0.0230170  -1.492  0.13618   
xEastern Europe      0.0035343  0.0216327   0.163  0.87027   
xMelanesia          -0.0348560  0.0256766  -1.358  0.17507   
xMicronesia         -0.0434726  0.0256766  -1.693  0.09089 . 
xMiddle Africa      -0.0194033  0.0265778  -0.730  0.46560   
xNA                 -0.0452659  0.0235121  -1.925  0.05461 . 
xNorthern Africa     0.0096517  0.0285015   0.339  0.73498   
xNorthern America   -0.0400837  0.0293828  -1.364  0.17295   
xNorthern Europe    -0.0213101  0.0202628  -1.052  0.29331   
xPolynesia          -0.0391188  0.0256766  -1.524  0.12809   
xSouth America       0.0159036  0.0208967   0.761  0.44688   
xSouth-Eastern Asia -0.0056960  0.0213902  -0.266  0.79009   
xSouthern Africa    -0.0217226  0.0271258  -0.801  0.42352   
xSouthern Asia      -0.0109332  0.0228745  -0.478  0.63283   
xSouthern Europe    -0.0036306  0.0209336  -0.173  0.86236   
xWestern Africa     -0.0264144  0.0215679  -1.225  0.22110   
xWestern Asia        0.0111800  0.0228745   0.489  0.62517   
xWestern Europe     -0.0281007  0.0203179  -1.383  0.16710   
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.06776 on 689 degrees of freedom
Multiple R-squared:  0.06296,	Adjusted R-squared:  0.03304 
F-statistic: 2.104 on 22 and 689 DF,  p-value: 0.002326