isn't yet used in actual installations in these countries | Algeria, Andorra, Armenia, Australia, Bahrain, Bolivia, Bosnia and Herzegovina, Botswana, Brunei, Canada, Croatia, Denmark, Ecuador, El Salvador, Estonia, Finland, Germany, Greece, Honduras, Hong Kong, India, Indonesia, Italy, Kenya, Korea Republic, Kyrgyzstan, Liechtenstein, Luxembourg, Malaysia, Malta, Monaco, Montenegro, New Zealand, Nicaragua, Nigeria, Norway, Panama, Peru, Philippines, Portugal, Romania, Serbia, Singapore, Slovakia, Slovenia, South Africa, Sri Lanka, Sweden, Switzerland, Tajikistan, Tunisia, Turkey, Turkmenistan, USA, Vietnam, Zambia |