The current containership order book is 23 percent of the existing global fleet, the lowest ratio since April 2003, the maritime analyst Alphaliner said this week. “If the current lull in containership orders continues, the vessel order book could fall below 3 million TEUs, or less than 20 percent, of the fleet by the end of 2012,” Alphaliner said. “Although the current low new-building prices have attracted owners’ interest, the difficulty in raising funds has limited firm orders...