Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.08458 -0.08457 -0.01498 -0.01456  0.53019 

Coefficients:
              Estimate Std. Error t value          Pr(>|t|)    
(Intercept)   0.014983   0.007325   2.046            0.0412 *  
xNA          -0.014963   0.026585  -0.563            0.5737    
xnon-Annex I  0.069595   0.009507   7.321 0.000000000000672 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.1226 on 709 degrees of freedom
Multiple R-squared:  0.07596,	Adjusted R-squared:  0.07335 
F-statistic: 29.14 on 2 and 709 DF,  p-value: 0.0000000000006877