Sebastian Vettel's dominance of F1 in 2013 saw the sport's global television figures drop by 10%.

The Wall Street Journal claims that F1's annual global media report highlights a fall in television figures of 50 million down to 450 million viewers. Bernie Ecclestone puts the fall down to "the less-than-competitive nature of the final few rounds" as Vettel wrapped up his fourth consecutive championship with three races to spare.

Vettel's run of dominance saw him win the final nine races of the season, but the drop was even felt in Germany, with a fall in figures of 8.7%.

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The biggest drop overall was in China, where viewing figures dropped by almost 30 million due to a change in the distribution of rights. Brazil saw a drop in figures of almost 8 million to 77.2 million, while the audience in France - where F1 switched to the subscription only Canal+ - dropped by 16 million to just over 10 million.

However, there were some gains with the overall viewing figures in the UK rising by 1.7% based on the previous year and the switch to NBC in the USA seeing growth of almost 10 million to 11.4 million viewers.