Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.225601 -0.061813  0.001085  0.040468  0.248285 

Coefficients:
             Estimate Std. Error t value            Pr(>|t|)    
(Intercept)  0.019155   0.014789   1.295               0.197    
xNA          0.001085   0.093536   0.012               0.991    
xnon-Annex I 0.206500   0.017233  11.983 <0.0000000000000002 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.09236 on 146 degrees of freedom
Multiple R-squared:  0.5004,	Adjusted R-squared:  0.4936 
F-statistic: 73.12 on 2 and 146 DF,  p-value: < 0.00000000000000022