The World Federation of Exchanges just published a report saying that Exchage Traded Derivatives Trading Volumes recovered in 2013. Specifically, in 2013, 22 billion derivative contracts (12 billion futures and 10 billion options) were traded on exchanges worldwide – a 685 million increase above derivatives contracts traded in 2012. Sounds like there is still plenty of trading going on.
an Annual Query Tool. This provides not just the numbers of contracts traded, but also their values in millions of US dollars. Here's what I found, by adding up all the separate files.