Table:
text: Tibbitt to Contwoyto Winter Road
History
Statistics
Year_ Road_Opened Road_Closed Freight_Carried_s_Tonne Super_B_Capacity_Reached_citation_needed_ Number_of_Truck_Loads_North
2000 January 29 April 3 111090 n/a 3703
2001 February 1 April 13 245586 ~March 3 7981
2002 January 26 April 16 256915 February 22 7735
2003 February 1 April 2 198818 February 21 5243
2004 January 28 March 31 179144 February 23 5091
2005 January 26 April 5 252533 February 20 7607
2006 February 4 March 26 177674 not reached 6841
2007 January 27 April 9 330002 February 26 10922
2008 January 29 April 7 245585 February 15 7387
2009 February 1 March 25 173195 February 15 5377
2010 February 4 March 24 121000 TBA 3506

text: Tibbitt to Contwoyto Winter Road
History
Statistics
Year_ Road_Opened Road_Closed Freight_Carried_s_Tonne Super_B_Capacity_Reached_citation_needed_ Number_of_Truck_Loads_North
2011 January 28 March 31 241000 February 17 6831
2012 February 1 March 28 210000 March 1 6545

Question: How many truckloads are driven north of Tibbitt to the Contwoyto Winter Road?