Complex sentence: Freestyle wrestling has been practised since 1958 in the country.Now 5 000 people (2013) participate in freestyle wrestling program and there are about 50 professional level freestyle wrestlers.
Split into simpler sentences: Freestyle wrestling has been practised since 1958 in the country. Now 5000 people (2013) participate in freestyle wrestling programs, and there are about 50 professional-level freestyle wrestlers.