Vodacom South Africa says strong subscriber growth helped boost sales and profits in its financial year to the end of March 2006. Operating profit was up 37% to ZAR8.9 billion (USD1.36 billion), while net profit rose 32% to ZAR5.1 billion. Revenues increased 24.6% to ZAR34 billion. The firm had 23.5 million cellular subscribers in South Africa, DR Congo, Lesotho, Mozambique and Tanzania at the end of March, up 51.9% year-on-year. Vodacom, which is owned jointly by local wireline operator Telkom South Africa and Vodafone of the UK, will release its full financial results next week.