Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02663 -0.02654 -0.00319 -0.00316  0.94482 

Coefficients:
              Estimate Std. Error t value     Pr(>|t|)    
(Intercept)   0.026629   0.004851   5.490 0.0000000562 ***
xNA          -0.026304   0.017606  -1.494     0.135627    
xnon-Annex I -0.023439   0.006296  -3.723     0.000213 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.08117 on 709 degrees of freedom
Multiple R-squared:  0.01988,	Adjusted R-squared:  0.01711 
F-statistic: 7.189 on 2 and 709 DF,  p-value: 0.0008111