Category
Group
Subgroup
NameYears of accessibilityData accessibility levelDescription
 total 2002-2017NTS-5-
 0 - 9 2002-2017NTS-5-
 10 - 49 2002-2017NTS-5-
 50 - 249 2002-2017NTS-5-
 250 and more 2002-2017NTS-5-