The key is only available for these countries:
AL, AD, AT, BE, BA, BG, HR, CY, CZ, DK, EE, FI, FR, GE, DE, GR, HU, IS, IE, IT, LV, LI, LT, LU, MK, MT, MC, CS, NL, NO, PL, PT, RO, SM, SK, SI, ES, SE, CH, TR, GB, VA, AX, FO, GG, JE, SJ, GF, RE, YT, MQ, GP, AD, AIA, BMU, BQ, IO, VGB, KY, FK, GI, MS, PCN, SH, GS, TC, IM.

Good luck!