pre_text: our refineries processed 944 mbpd of crude oil and 207 mbpd of other charge and blend stocks . the table below sets forth the location and daily crude oil refining capacity of each of our refineries as of december 31 , 2008 . crude oil refining capacity ( thousands of barrels per day ) 2008 .
post_text: our refineries include crude oil atmospheric and vacuum distillation , fluid catalytic cracking , catalytic reforming , desulfurization and sulfur recovery units . the refineries process a wide variety of crude oils and produce numerous refined products , ranging from transportation fuels , such as reformulated gasolines , blend- grade gasolines intended for blending with fuel ethanol and ultra-low sulfur diesel fuel , to heavy fuel oil and asphalt . additionally , we manufacture aromatics , cumene , propane , propylene , sulfur and maleic anhydride . our refineries are integrated with each other via pipelines , terminals and barges to maximize operating efficiency . the transportation links that connect our refineries allow the movement of intermediate products between refineries to optimize operations , produce higher margin products and utilize our processing capacity efficiently . our garyville , louisiana , refinery is located along the mississippi river in southeastern louisiana . the garyville refinery processes heavy sour crude oil into products such as gasoline , distillates , sulfur , asphalt , propane , polymer grade propylene , isobutane and coke . in 2006 , we approved an expansion of our garyville refinery by 180 mbpd to 436 mbpd , with a currently projected cost of $ 3.35 billion ( excluding capitalized interest ) . construction commenced in early 2007 and is continuing on schedule . we estimate that , as of december 31 , 2008 , this project is approximately 75 percent complete . we expect to complete the expansion in late 2009 . our catlettsburg , kentucky , refinery is located in northeastern kentucky on the western bank of the big sandy river , near the confluence with the ohio river . the catlettsburg refinery processes sweet and sour crude oils into products such as gasoline , asphalt , diesel , jet fuel , petrochemicals , propane , propylene and sulfur . our robinson , illinois , refinery is located in the southeastern illinois town of robinson . the robinson refinery processes sweet and sour crude oils into products such as multiple grades of gasoline , jet fuel , kerosene , diesel fuel , propane , propylene , sulfur and anode-grade coke . our detroit , michigan , refinery is located near interstate 75 in southwest detroit . the detroit refinery processes light sweet and heavy sour crude oils , including canadian crude oils , into products such as gasoline , diesel , asphalt , slurry , propane , chemical grade propylene and sulfur . in 2007 , we approved a heavy oil upgrading and expansion project at our detroit , michigan , refinery , with a current projected cost of $ 2.2 billion ( excluding capitalized interest ) . this project will enable the refinery to process additional heavy sour crude oils , including canadian bitumen blends , and will increase its crude oil refining capacity by about 15 percent . construction began in the first half of 2008 and is presently expected to be complete in mid-2012 . our canton , ohio , refinery is located approximately 60 miles southeast of cleveland , ohio . the canton refinery processes sweet and sour crude oils into products such as gasoline , diesel fuels , kerosene , propane , sulfur , asphalt , roofing flux , home heating oil and no . 6 industrial fuel oil . our texas city , texas , refinery is located on the texas gulf coast approximately 30 miles south of houston , texas . the refinery processes sweet crude oil into products such as gasoline , propane , chemical grade propylene , slurry , sulfur and aromatics . our st . paul park , minnesota , refinery is located in st . paul park , a suburb of minneapolis-st . paul . the st . paul park refinery processes predominantly canadian crude oils into products such as gasoline , diesel , jet fuel , kerosene , asphalt , propane , propylene and sulfur. .
table: <i>(Thousands of barrels per day)</i> 2008
table: Garyville, Louisiana 256
table: Catlettsburg, Kentucky 226
table: Robinson, Illinois 204
table: Detroit, Michigan 102
table: Canton, Ohio 78
table: Texas City, Texas 76
table: St. Paul Park, Minnesota 74
table: TOTAL 1,016
question: Analyse this data from a financial earnings document. in 2006 , what was the increase in capacity of our garyville refinery by mbpd ?