The Harmonized Index of Consumer Prices category "Catering Services (11.1)" is a classification of services. This category contains Restaurants, cafés, and the Like (11.1.1) and Canteens (11.1.2) subcategories. This category is a subcategory of Restaurants and Hotels (11) category.
Information provided in the notes pertaining to HICP classifications can be found from the source at: http://ec.europa.eu/eurostat/ramon/nomenclatures/index.cfm?TargetUrl=ACT_OTH_CLS_DLD&StrNom=HICP_2000&StrFormat=HTML&StrLanguageCode=EN&IntKey=22470387.
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Statistical Office of the European Communities, Harmonized Index of Consumer Prices: Catering Services for Latvia© [CP1110LVM086NEST], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/CP1110LVM086NEST/, November 24, 2015.