0.25 and <=0.5]]> Canada, United States 0.25-0.5 m 21276 7 17552 3724 6 1 0.5 and <=1]]> Canada, United States 0.5-1.0 m 1472 0 1052 419 0 0 1 and <=2]]> 1.0-2.0 m 0 0 2 and <=3]]> 2.0-3.0 m 0 0 3 and <=5]]> 3.0-5.0 m 0 0 5 and <=100]]> more than 5 m 0 0