Number of States: 39

Albania (AL) , Austria (AT) , Belgium (BE) , Bulgaria (BG) , Croatia (HR) , Cyprus (CY) , Czech Republic (CZ) , Denmark (DK) , Estonia (EE) , Finland (FI) , France (FR) , Germany (DE) , Greece (GR) , Hungary (HU) , Iceland (IS) , Ireland (IE) , Italy (IT) , Latvia (LV) , Liechtenstein (LI) , Lithuania (LT) , Luxembourg (LU) , Malta (MT) , Monaco (MC) , Montenegro (ME) , Norway (NO) , Poland (PL) , Portugal (PT) , Romania (RO) , San Marino (SM) , Serbia (RS) , Slovakia (SK) , Slovenia (SI) , Spain (ES) , Sweden (SE) , Switzerland (CH) , The former Yugoslav Republic of Macedonia (MK) , the Netherlands (NL) , Turkey (TR) , United Kingdom (GB) ,