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 .

Table: ( thousands of barrels per day ) 2004 2003 2002 gasoline 807 776 773 distillates 373 365 346 propane 22 21 22 feedstocks and special products 92 97 82 heavy fuel oil 27 24 20 asphalt 79 74 75 total 1400 1357 1318 matching buy/sell volumes included in above 71 64 71

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 .

Question: what was the change in ssa 2019s revenues from the sale of non-petroleum merchandise in 2004 , compared with in 2003 , in billions?
Answer: 0.1
Calculation: subtract(2.3, 2.2)