The second order for 81 cars was awarded in April 2005 .
The third in March 2009 for 72 cars , increased to 74 in March 2010 and 99 in January 2011 .
The second order for 81 cars was awarded in April 2005 and the third in March 2009 for 72 cars , increased to 74 in March 2010 and 99 in January 2011 .