Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.124510 -0.036456  0.002555  0.016468  0.230331 

Coefficients:
             Estimate Std. Error t value            Pr(>|t|)    
(Intercept)  0.017669   0.009527   1.855              0.0657 .  
xNA          0.002555   0.060254   0.042              0.9662    
xnon-Annex I 0.106845   0.011101   9.625 <0.0000000000000002 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.0595 on 146 degrees of freedom
Multiple R-squared:  0.3923,	Adjusted R-squared:  0.384 
F-statistic: 47.13 on 2 and 146 DF,  p-value: < 0.00000000000000022