item 2 .
properties .
bd 2019s executive offices are located in franklin lakes , new jersey .
as of october 31 , 2017 , bd owned or leased 289 facilities throughout the world , comprising approximately 20462405 square feet of manufacturing , warehousing , administrative and research facilities .
the u.s .
facilities , including those in puerto rico , comprise approximately 7472419 square feet of owned and 2976267 square feet of leased space .
the international facilities comprise approximately 7478714 square feet of owned and 2535005 square feet of leased space .
sales offices and distribution centers included in the total square footage are also located throughout the world .
operations in each of bd 2019s business segments are conducted at both u.s .
and international locations .
particularly in the international marketplace , facilities often serve more than one business segment and are used for multiple purposes , such as administrative/sales , manufacturing and/or warehousing/distribution .
bd generally seeks to own its manufacturing facilities , although some are leased .
the following table summarizes property information by business segment. .

Sites
Corporate
BD Life Sciences
BD Medical
Mixed(A)
Total
Leased
14
25
96
83
218
Owned
6
26
33
6
71
Total
20
51
129
89
289
Square feet
2,263,694
4,421,732
10,838,632
2,938,347
20,462,405

( a ) facilities used by more than one business segment .
bd believes that its facilities are of good construction and in good physical condition , are suitable and adequate for the operations conducted at those facilities , and are , with minor exceptions , fully utilized and operating at normal capacity .
the u.s .
facilities are located in alabama , arizona , california , connecticut , florida , georgia , illinois , indiana , maryland , massachusetts , michigan , missouri , nebraska , new jersey , north carolina , ohio , oklahoma , south carolina , texas , utah , virginia , washington , d.c. , washington , wisconsin and puerto rico .
the international facilities are as follows : - europe , middle east , africa , which includes facilities in austria , belgium , bosnia and herzegovina , the czech republic , denmark , england , finland , france , germany , ghana , hungary , ireland , israel , italy , kenya , luxembourg , netherlands , norway , poland , portugal , russia , saudi arabia , south africa , spain , sweden , switzerland , turkey , the united arab emirates and zambia .
- greater asia , which includes facilities in australia , bangladesh , china , india , indonesia , japan , malaysia , new zealand , the philippines , singapore , south korea , taiwan , thailand and vietnam .
- latin america , which includes facilities in argentina , brazil , chile , colombia , mexico , peru and the dominican republic .
- canada .
item 3 .
legal proceedings .
information with respect to certain legal proceedings is included in note 5 to the consolidated financial statements contained in item 8 .
financial statements and supplementary data , and is incorporated herein by reference .
item 4 .
mine safety disclosures .
not applicable. .

Question: Analyse this data from a financial earnings document. what is the proportion of leased corporate units to owned corporate units?
Choices:
84
4.16667
2.33333
-2.33333
0
Correct choice index: 2