Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.023410 -0.020707 -0.003835 -0.000070  0.265615 

Coefficients:
              Estimate Std. Error t value             Pr(>|t|)    
(Intercept)   0.003839   0.001820   2.110               0.0352 *  
xNA          -0.001496   0.006605  -0.226               0.8209    
xnon-Annex I  0.019572   0.002362   8.287 0.000000000000000582 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03045 on 709 degrees of freedom
Multiple R-squared:  0.09312,	Adjusted R-squared:  0.09056 
F-statistic:  36.4 on 2 and 709 DF,  p-value: 0.0000000000000008958