the catlettsburg refinery multi-year improvement project was completed during early 2004 . at a cost of approximately $ 440 million , the project improves product yields and lowers overall refinery costs while making gasoline with less than 30 parts per million of sulfur , which allows map to meet tier ii gasoline regulations which became effective on january 1 , 2004 . map is constructing approximately $ 300 million in new capital projects for its 74000 bpd detroit , michigan refinery . one of the projects , a $ 110 million expansion project , is expected to raise the crude oil capacity at the refinery by 35 percent to 100000 bpd . other projects are expected to enable the refinery to produce new clean fuels and further control regulated air emissions . completion of the projects is scheduled for the fourth quarter of 2005 . marketing in 2004 map 2019s refined product sales volumes ( excluding matching buy/sell transactions ) totaled 20.4 billion gallons ( 1329000 bpd ) . the wholesale distribution of petroleum products to private brand marketers and to large commercial and industrial consumers , primarily located in the midwest , the upper great plains and the southeast , and sales in the spot market , accounted for approximately 70 percent of map 2019s refined product sales volumes in 2004 , excluding sales related to matching buy/sell transactions . approximately 52 percent of map 2019s gasoline sales volumes and 92 percent of its distillate sales volumes were sold on a wholesale or spot market basis to independent unbranded customers or other wholesalers in 2004 . approximately 55 percent of map 2019s propane is sold into the home heating markets and industrial consumers purchase the balance . propylene , cumene , aromatics , aliphatics , and sulfur are marketed to customers in the chemical industry . base lube oils and slack wax are sold throughout the united states . pitch is also sold domestically , but approximately 16 percent of pitch products are exported into growing markets in canada , mexico , india and south america . map markets asphalt through owned and leased terminals throughout the midwest , the upper great plains and the southeast . the map customer base includes approximately 800 asphalt-paving contractors , government entities ( states , counties , cities and townships ) and asphalt roofing shingle manufacturers . the following table sets forth the volume of map 2019s consolidated refined product sales by product group for each of the last three years : refined product sales ( thousands of barrels per day ) 2004 2003 2002 .
what was the change in ssa 2019s revenues from the sale of non-petroleum merchandise in 2004 , compared with in 2003 , in billions?
map sells reformulated gasoline in parts of its marketing territory , primarily chicago , illinois ; louisville , kentucky ; northern kentucky ; and milwaukee , wisconsin . map also sells low-vapor-pressure gasoline in nine states . as of december 31 , 2004 , map supplied petroleum products to about 3900 marathon and ashland branded retail outlets located primarily in michigan , ohio , indiana , kentucky and illinois . branded retail outlets are also located in florida , georgia , wisconsin , west virginia , tennessee , minnesota , virginia , pennsylvania , north carolina , alabama , and south carolina . ssa sells gasoline and diesel fuel through company-operated retail outlets . as of december 31 , 2004 , ssa had 1669 retail outlets in nine states that sold petroleum products and convenience store merchandise and services , primarily under the brand names 2018 2018speedway 2019 2019 and 2018 2018superamerica . 2019 2019 ssa 2019s revenues from the sale of non-petroleum merchandise totaled $ 2.3 billion in 2004 , compared with $ 2.2 billion in 2003 . profit levels from the sale of such merchandise and services tend to be less volatile than profit levels from the retail sale of gasoline and diesel fuel . pilot travel centers llc ( 2018 2018ptc 2019 2019 ) , a joint venture with pilot corporation ( 2018 2018pilot 2019 2019 ) , is the largest operator of travel centers in the united states with approximately 250 locations in 35 states at december 31 , 2004 . the travel centers .