Category
Group
Subgroup
NameYears of accessibilityData accessibility levelDescription
 from own boiler houses to clients, grand total 1999-2000NTS-4-
 from own boiler houses for community needs 1999-2000NTS-4-
 from outside sources to clients, grand total 1999-2000NTS-4-
 from outside sources for community needs 1999-2000NTS-4-