Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.103235 -0.020815 -0.002586  0.008416  0.282608 

Coefficients:
                       Estimate  Std. Error t value Pr(>|t|)   
(Intercept)         0.000011039 0.032898354   0.000  0.99973   
xCaribbean          0.008420073 0.036781478   0.229  0.81930   
xCentral America    0.010585354 0.037303228   0.284  0.77706   
xCentral Asia       0.028600066 0.042471593   0.673  0.50193   
xEastern Africa     0.042414635 0.035169820   1.206  0.23008   
xEastern Asia       0.031205496 0.040292091   0.774  0.44010   
xEastern Europe     0.000050561 0.036370499   0.001  0.99889   
xMelanesia          0.014389493 0.040292091   0.357  0.72159   
xMicronesia         0.056712797 0.046525299   1.219  0.22513   
xMiddle Africa      0.023103614 0.037987748   0.608  0.54416   
xNA                 0.000005524 0.056981621   0.000  0.99992   
xNorthern Africa    0.120802202 0.040292091   2.998  0.00327 **
xNorthern America   0.027550406 0.046525299   0.592  0.55480   
xNorthern Europe    0.002041674 0.036038342   0.057  0.95491   
xPolynesia          0.029440686 0.046525299   0.633  0.52802   
xSouth America      0.020339205 0.037303228   0.545  0.58655   
xSouth-Eastern Asia 0.032271039 0.036781478   0.877  0.38195   
xSouthern Africa    0.068268516 0.042471593   1.607  0.11047   
xSouthern Asia      0.058648554 0.037987748   1.544  0.12513   
xSouthern Europe    0.021323851 0.035534284   0.600  0.54952   
xWestern Africa     0.033133992 0.035169820   0.942  0.34794   
xWestern Asia       0.051014498 0.035338501   1.444  0.15133   
xWestern Europe     0.008342840 0.036781478   0.227  0.82093   
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.04653 on 126 degrees of freedom
Multiple R-squared:  0.2335,	Adjusted R-squared:  0.09972 
F-statistic: 1.745 on 22 and 126 DF,  p-value: 0.0298