{"pre_text": ["( 201cati 201d ) and spectrasite communications , llc ( 201cspectrasite 201d ) .", "we conduct our international operations through our subsidiary , american tower international , inc. , which in turn conducts operations through its various international operating subsidiaries .", "our international operations consist primarily of our operations in mexico and brazil , and also include operations in india , which we established in the second half of 2007 .", "we operate in two business segments : rental and management and network development services .", "for more information about our business segments , as well as financial information about the geographic areas in which we operate , see item 7 of this annual report under the caption 201cmanagement 2019s discussion and analysis of financial condition and results of operations 201d and note 18 to our consolidated financial statements included in this annual report .", "products and services rental and management our primary business is our communications site leasing business , which we conduct through our rental and management segment .", "this segment accounted for approximately 97% ( 97 % ) , 98% ( 98 % ) and 98% ( 98 % ) of our total revenues for the years ended december 31 , 2008 , 2007 and 2006 , respectively .", "our rental and management segment is comprised of our domestic and international site leasing business , including the operation of wireless communications towers , broadcast communications towers and das networks , as well as rooftop management .", "wireless communications towers.we are a leading owner and operator of wireless communications towers in the united states , mexico and brazil , based on number of towers and revenue .", "we also own and operate communications towers in india , where we commenced operations in the second half of 2007 .", "in addition to owned wireless communications towers , we also manage wireless communications sites for property owners in the united states , mexico and brazil .", "approximately 92% ( 92 % ) , 91% ( 91 % ) and 91% ( 91 % ) of our rental and management segment revenue was attributable to our wireless communications towers for the years ended december 31 , 2008 , 2007 and 2006 , respectively .", "as of december 31 , 2008 , our wireless communications tower portfolio included the following : country number of owned sites ( approx ) coverage area united states .", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", "19400 coverage spans 49 states and the district of columbia ; 90% ( 90 % ) of network provides coverage in the top 100 markets or core areas such as high traffic interstate corridors .", "mexico .", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", "2500 coverage primarily concentrated in highly populated areas , including mexico city , monterrey , guadalajara and acapulco .", "brazil .", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", "1100 coverage primarily concentrated in major metropolitan areas in central and southern brazil , including sao paulo , rio de janeiro , brasilia and curitiba .", "india .", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", "200 initial-phase coverage ( operations established in the second half of 2007 ) .", "we lease space on our wireless communications towers to customers in a diverse range of wireless industries , including personal communications services , cellular , enhanced specialized mobile radio , wimax .", "paging and fixed microwave .", "our major domestic wireless customers include at&t mobility , sprint nextel , verizon wireless ( which completed its merger with alltel in january 2009 ) and t-mobile usa .", "our major international wireless customers include grupo iusacell ( iusacell celular and unefon in mexico ) , nextel international in mexico and brazil , telefonica ( movistar in mexico and vivo in brazil ) , america movil ( telcel in mexico and claro in brazil ) and telecom italia mobile ( tim ) in brazil .", "for the year ended december 31 ."], "post_text": ["( 201cati 201d ) and spectrasite communications , llc ( 201cspectrasite 201d ) .", "we conduct our international operations through our subsidiary , american tower international , inc. , which in turn conducts operations through its various international operating subsidiaries .", "our international operations consist primarily of our operations in mexico and brazil , and also include operations in india , which we established in the second half of 2007 .", "we operate in two business segments : rental and management and network development services .", "for more information about our business segments , as well as financial information about the geographic areas in which we operate , see item 7 of this annual report under the caption 201cmanagement 2019s discussion and analysis of financial condition and results of operations 201d and note 18 to our consolidated financial statements included in this annual report .", "products and services rental and management our primary business is our communications site leasing business , which we conduct through our rental and management segment .", "this segment accounted for approximately 97% ( 97 % ) , 98% ( 98 % ) and 98% ( 98 % ) of our total revenues for the years ended december 31 , 2008 , 2007 and 2006 , respectively .", "our rental and management segment is comprised of our domestic and international site leasing business , including the operation of wireless communications towers , broadcast communications towers and das networks , as well as rooftop management .", "wireless communications towers.we are a leading owner and operator of wireless communications towers in the united states , mexico and brazil , based on number of towers and revenue .", "we also own and operate communications towers in india , where we commenced operations in the second half of 2007 .", "in addition to owned wireless communications towers , we also manage wireless communications sites for property owners in the united states , mexico and brazil .", "approximately 92% ( 92 % ) , 91% ( 91 % ) and 91% ( 91 % ) of our rental and management segment revenue was attributable to our wireless communications towers for the years ended december 31 , 2008 , 2007 and 2006 , respectively .", "as of december 31 , 2008 , our wireless communications tower portfolio included the following : country number of owned sites ( approx ) coverage area united states .", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", "19400 coverage spans 49 states and the district of columbia ; 90% ( 90 % ) of network provides coverage in the top 100 markets or core areas such as high traffic interstate corridors .", "mexico .", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", "2500 coverage primarily concentrated in highly populated areas , including mexico city , monterrey , guadalajara and acapulco .", "brazil .", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", "1100 coverage primarily concentrated in major metropolitan areas in central and southern brazil , including sao paulo , rio de janeiro , brasilia and curitiba .", "india .", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", ".", "200 initial-phase coverage ( operations established in the second half of 2007 ) .", "we lease space on our wireless communications towers to customers in a diverse range of wireless industries , including personal communications services , cellular , enhanced specialized mobile radio , wimax .", "paging and fixed microwave .", "our major domestic wireless customers include at&t mobility , sprint nextel , verizon wireless ( which completed its merger with alltel in january 2009 ) and t-mobile usa .", "our major international wireless customers include grupo iusacell ( iusacell celular and unefon in mexico ) , nextel international in mexico and brazil , telefonica ( movistar in mexico and vivo in brazil ) , america movil ( telcel in mexico and claro in brazil ) and telecom italia mobile ( tim ) in brazil .", "for the year ended december 31 ."], "table": [["country", "number of owned sites ( approx )", "coverage area"], ["united states", "19400", "coverage spans 49 states and the district of columbia ; 90% ( 90 % ) of network provides coverage in the top 100 markets or core areas such as high traffic interstate corridors ."], ["mexico", "2500", "coverage primarily concentrated in highly populated areas including mexico city monterrey guadalajara and acapulco ."], ["brazil", "1100", "coverage primarily concentrated in major metropolitan areas in central and southern brazil including sao paulo rio de janeiro brasilia and curitiba ."], ["india", "200", "initial-phase coverage ( operations established in the second half of 2007 ) ."]], "table_ori": [["Country", "Number of Owned Sites  (approx)", "Coverage Area"], ["United States", "19,400", "Coverage spans 49 states and the District of Columbia; 90% of network provides coverage in the top 100 markets or core areas such as high traffic interstate corridors."], ["Mexico", "2,500", "Coverage primarily concentrated in highly populated areas, including Mexico City, Monterrey, Guadalajara and Acapulco."], ["Brazil", "1,100", "Coverage primarily concentrated in major metropolitan areas in central and southern Brazil, including Sao Paulo, Rio de Janeiro, Brasilia and Curitiba."], ["India", "200", "Initial-phase coverage (operations established in the second half of 2007)."]]}

Question: what portion of total owned sites is located in united states?
Evidence:
table_1: country the united states of number of owned sites ( approx ) is 19400 ; the united states of coverage area is coverage spans 49 states and the district of columbia ; 90% ( 90 % ) of network provides coverage in the top 100 markets or core areas such as high traffic interstate corridors . ;
table_2: country the mexico of number of owned sites ( approx ) is 2500 ; the mexico of coverage area is coverage primarily concentrated in highly populated areas including mexico city monterrey guadalajara and acapulco . ;
table_3: country the brazil of number of owned sites ( approx ) is 1100 ; the brazil of coverage area is coverage primarily concentrated in major metropolitan areas in central and southern brazil including sao paulo rio de janeiro brasilia and curitiba . ;
table_4: country the india of number of owned sites ( approx ) is 200 ; the india of coverage area is initial-phase coverage ( operations established in the second half of 2007 ) . ;
Program: add(19400, 2500), add(#0, 1100), add(#1, 200), divide(19400, #2)
Answer:
str_answer: 83.6%
exe_answer: 0.83621