Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.132185 -0.027007 -0.002824  0.009800  0.224106 

Coefficients:
                       Estimate  Std. Error t value Pr(>|t|)    
(Intercept)         0.000011039 0.033625359   0.000 0.999739    
xCaribbean          0.088398192 0.037594294   2.351 0.020256 *  
xCentral America    0.039798724 0.038127573   1.044 0.298562    
xCentral Asia       0.037412744 0.043410151   0.862 0.390411    
xEastern Africa     0.052776456 0.035947020   1.468 0.144549    
xEastern Asia       0.005330342 0.041182485   0.129 0.897222    
xEastern Europe     0.012248001 0.037174233   0.329 0.742343    
xMelanesia          0.067595564 0.041182485   1.641 0.103215    
xMicronesia         0.113560912 0.047553438   2.388 0.018422 *  
xMiddle Africa      0.062542851 0.038827220   1.611 0.109726    
xNA                 0.000005524 0.058240829   0.000 0.999924    
xNorthern Africa    0.044287171 0.041182485   1.075 0.284256    
xNorthern America   0.005525145 0.047553438   0.116 0.907688    
xNorthern Europe    0.000141034 0.036834735   0.004 0.996951    
xPolynesia          0.171209656 0.047553438   3.600 0.000455 ***
xSouth America      0.035195607 0.038127573   0.923 0.357719    
xSouth-Eastern Asia 0.047048700 0.037594294   1.251 0.213076    
xSouthern Africa    0.046372488 0.043410151   1.068 0.287454    
xSouthern Asia      0.056458966 0.038827220   1.454 0.148403    
xSouthern Europe    0.035112402 0.036319538   0.967 0.335514    
xWestern Africa     0.039358037 0.035947020   1.095 0.275653    
xWestern Asia       0.044089803 0.036119429   1.221 0.224491    
xWestern Europe     0.020597737 0.037594294   0.548 0.584733    
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.04755 on 126 degrees of freedom
Multiple R-squared:  0.2835,	Adjusted R-squared:  0.1584 
F-statistic: 2.267 on 22 and 126 DF,  p-value: 0.002499