Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.110929 -0.039334 -0.008415  0.023800  0.210210 

Coefficients:
              Estimate Std. Error t value            Pr(>|t|)    
(Intercept)   0.008448   0.009985   0.846               0.399    
xNA          -0.008415   0.063153  -0.133               0.894    
xnon-Annex I  0.102536   0.011635   8.812 0.00000000000000332 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.06236 on 146 degrees of freedom
Multiple R-squared:  0.3524,	Adjusted R-squared:  0.3436 
F-statistic: 39.73 on 2 and 146 DF,  p-value: 0.00000000000001675