2011 - 87,000 km
2013 - 111,600 km
2011 - 144,000 km
2016 - 50,000 km
2016 - 88,000 km
2011 - 73,000 km
2016 - 87,000 km
2008 - 86,000 km
2012 - 85,000 km
2011 - 85,000 km
2014 - 64,000 km
2009 - 80,000 km