Figures are millions of Thai baht, at current prices (Mil. THB) or year-1988 chained prices (Mil. 1998 THB). The series start at 1970.
The series resides in the historical catalog (Thailand » National Accounts » by Expenditure » Capital Stock) and include, for example:
Because catalog locations are subject to change, the upper-right search box on DataBuffet.com provides a "find in catalog" mode that accepts a mnemonic.
About the dataset:
References: