Category
Group
Subgroup
NameYears of accessibilityData accessibility levelDescription
 total 2000-2011NTS-2-
 in the section A 2000-2011NTS-2-
 in the section B 2000-2011NTS-2-
 in the section C 2000-2011NTS-2-
 in the section D 2000-2011NTS-2-
 in the section E 2000-2011NTS-2-
 in the section F 2000-2011NTS-2-
 in the section G 2000-2011NTS-2-
 in the section H 2000-2011NTS-2-
 in the section I 2000-2011NTS-2-
 in the section J 2000-2011NTS-2-
 in the section K 2000-2011NTS-2-
 in the section L 2000-2011NTS-2-
 in the section M 2000-2011NTS-2-
 in the section N 2000-2011NTS-2-
 in the section O 2000-2011NTS-2-
 in the section P 2000-2011NTS-2-
 in the section Q 2000-2011NTS-2-
 in the section R 2000-2011NTS-2-
 in the section S 2000-2011NTS-2-