Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.13407 -0.05135 -0.02975  0.02411  0.42325 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)   0.18316    0.01478  12.393 < 0.0000000000000002 ***
xNA          -0.02975    0.09347  -0.318                0.751    
xnon-Annex I -0.07639    0.01722  -4.435             0.000018 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.0923 on 146 degrees of freedom
Multiple R-squared:  0.1192,	Adjusted R-squared:  0.1071 
F-statistic: 9.878 on 2 and 146 DF,  p-value: 0.00009476