Financial report context:
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. .

Financial table:
sites: leased; corporate: 14; bd life sciences: 25; bd medical: 96; mixed ( a ): 83; total: 218
sites: owned; corporate: 6; bd life sciences: 26; bd medical: 33; mixed ( a ): 6; total: 71
sites: total; corporate: 20; bd life sciences: 51; bd medical: 129; mixed ( a ): 89; total: 289
sites: square feet; corporate: 2263694; bd life sciences: 4421732; bd medical: 10838632; mixed ( a ): 2938347; total: 20462405

Additional report context:
( 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: what is the proportion of leased corporate units to owned corporate units?
Answer: 2.3:1