pre_text: consume significant amounts of energy , and we may in the future incur additional or increased capital , operating and other expenditures from changes due to new or increased climate-related and other environmental regulations . we could also incur substantial liabilities , including fines or sanctions , enforcement actions , natural resource damages claims , cleanup and closure costs , and third-party claims for property damage and personal injury under environmental and common laws . the foreign corrupt practices act of 1977 and local anti-bribery laws , including those in brazil , china , mexico , india and the united kingdom ( where we maintain operations directly or through a joint venture ) , prohibit companies and their intermediaries from making improper payments to government officials for the purpose of influencing official decisions . our internal control policies and procedures , or those of our vendors , may not adequately protect us from reckless or criminal acts committed or alleged to have been committed by our employees , agents or vendors . any such violations could lead to civil or criminal monetary and non-monetary penalties and/or could damage our reputation . we are subject to a number of labor and employment laws and regulations that could significantly increase our operating costs and reduce our operational flexibility . additionally , changing privacy laws in the united states ( including the california consumer privacy act , which will become effective in january 2020 ) , europe ( where the general data protection regulation became effective in 2018 ) and elsewhere have created new individual privacy rights , imposed increased obligations on companies handling personal data and increased potential exposure to fines and penalties . item 1b . unresolved staff comments there are no unresolved sec staff comments . item 2 . properties we operate locations in north america , including the majority of u.s . states , south america , europe , asia and australia . we lease our principal offices in atlanta , ga . we believe that our existing production capacity is adequate to serve existing demand for our products and consider our plants and equipment to be in good condition . our corporate and operating facilities as of september 30 , 2019 are summarized below: .
post_text: the tables that follow show our annual production capacity by mill at september 30 , 2019 in thousands of tons , except for the north charleston , sc mill which reflects our capacity after the previously announced machine closure expected to occur in fiscal 2020 . our mill system production levels and operating rates may vary from year to year due to changes in market and other factors , including the impact of hurricanes and other weather-related events . our simple average mill system operating rates for the last three years averaged 94% ( 94 % ) . we own all of our mills. .
table: Number of Facilities
table: Segment Owned Leased Total
table: Corrugated Packaging 112 61 173
table: Consumer Packaging 84 55 139
table: Corporate and significant regional offices — 10 10
table: Total 196 126 322
question: Analyse this data from a financial earnings document. what was the ratio of the corrugated packaging number of facilities owned to those leased