STS now used in 84 countries

ALGERIA ANGOLA ARGENTINA ARUBA AUSTRALIA BANGLADESH BENIN
BHUTAN BOTSWANA BRAZIL BRUNEI DARUSSALAM BURUNDI CAMEROON CAPE VERDE
CENTRAL AFRICAN REPUBLIC CHAD CHINA COLOMBIA COMOROS CONGO CONGO, THE DRC
CÔTE D'IVOIRE DOMINICA DOMINICAN REPUBLIC ECUADOR EGYPT ETHIOPIA FIJI
FRANCE GABON GAMBIA GHANA GUINEA GUYANA HAITI
HUNGARY INDIA INDONESIA ISRAEL KENYA LESOTHO LIBERIA
MADAGASCAR MALAWI MALAYSIA MALI MAURITANIA MEXICO MICRONESIA, FEDERATED STATES OF
MOZAMBIQUE NAMIBIA NAURU NETHERLANDS NEW CALEDONIA NEW ZEALAND NIGERIA
NORWAY PALESTINIAN TERRITORY, OCCUPIED PAPUA NEW GUINEA PARAGUAY PERU PHILIPPINES POLAND
RWANDA SAMOA SAO TOME AND PRINCIPE SENEGAL SINGAPORE SOLOMON ISLANDS SOUTH AFRICA
SUDAN SWAZILAND TANZANIA, UNITED REPUBLIC OF THAILAND TIMOR-LESTE TOGO TUNISIA
UGANDA UNITED STATES UNITED STATES MINOR OUTLYING ISLANDS URUGUAY VENEZUELA, BOLIVARIAN REPUBLIC OF ZAMBIA ZIMBABWE