 The Campeonato Brasileiro is the most-watched football league in the Americas and one of the world's most exposed, broadcast in 155 nations.It is also one of the world's richest championships, ranked as the sixth most valuable with a worth of over US$1.43 billion, generating an annual turnover of over US$1.17 billion in 2012.Since 1959, a total of 156 clubs have played in the Campeonato Brasileiro.