2009 - 115,000 km
2016 - 55,000 km
2014 - 123,000 km
2012 - 140,000 km
2018 - 99,000 km
2012 - 85,000 km
2018 - 112,000 km
2019 - 9,400 km
2015 - 140,000 km
2016 - 155,000 km
2014 - 90,000 km
2015 - 127,000 km