Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.11498 -0.06645 -0.01743  0.02245  0.57835 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.017432   0.006397   2.725              0.00659 ** 
xNA          0.034147   0.023217   1.471              0.14180    
xnon-Annex I 0.097548   0.008302  11.749 < 0.0000000000000002 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.107 on 709 degrees of freedom
Multiple R-squared:  0.1641,	Adjusted R-squared:  0.1617 
F-statistic: 69.57 on 2 and 709 DF,  p-value: < 0.00000000000000022