what percentage of total miles were other main line in 2015?
Important information:
table_1: the route of 2015 is 32084 ; the route of 2014 is 31974 ;
table_2: the other main line of 2015 is 7012 ; the other main line of 2014 is 6943 ;
table_5: the total miles of 2015 is 51439 ; the total miles of 2014 is 51172 ;
Reasoning Steps:
Step: divide2-1(7012, 51439) = 14%
Program:
divide(7012, 51439)
Program (Nested):
divide(7012, 51439)

Please answer the following financial question based on the context provided. Make sure to give the answer in raw number, not in percentage and without any units. If the question asks for percentage the value should be less than 1
Context:
item 1b . unresolved staff comments item 2 . properties we employ a variety of assets in the management and operation of our rail business . our rail network covers 23 states in the western two-thirds of the u.s . our rail network includes 32084 route miles . we own 26064 miles and operate on the remainder pursuant to trackage rights or leases . the following table describes track miles at december 31 , 2015 and 2014. .
Table
                                        | 2015  | 2014 
route                                   | 32084 | 31974
other main line                         | 7012  | 6943 
passing lines and turnouts              | 3235  | 3197 
switching and classification yard lines | 9108  | 9058 
total miles                             | 51439 | 51172
headquarters building we own our headquarters building in omaha , nebraska . the facility has 1.2 million square feet of space for approximately 4000 employees. .
Question: 
what percentage of total miles were other main line in 2015?
Important information:
table_1: the route of 2015 is 32084 ; the route of 2014 is 31974 ;
table_2: the other main line of 2015 is 7012 ; the other main line of 2014 is 6943 ;
table_5: the total miles of 2015 is 51439 ; the total miles of 2014 is 51172 ;
Reasoning Steps:
Step: divide2-1(7012, 51439) = 14%
Program:
divide(7012, 51439)
Program (Nested):
divide(7012, 51439)
