The Campeonato Brasileiro is one of the strongest leagues in the world; it contains the most club world champions titles, with 10 championships won among six clubs, and the second-most Copa Libertadores titles, with 19 title's won among 10 clubs. The International Federation of Football History & Statistics (IFFHS) ranked the league fourth in strength for the 2001–12 period after the Premier League (England), La Liga (Spain), and Serie A (Italy). 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.