pre_text: intermodal 2013 decreased volumes and fuel surcharges reduced freight revenue from intermodal shipments in 2009 versus 2008 . volume from international traffic decreased 24% ( 24 % ) in 2009 compared to 2008 , reflecting economic conditions , continued weak imports from asia , and diversions to non-uprr served ports . additionally , continued weakness in the domestic housing and automotive sectors translated into weak demand in large sectors of the international intermodal market , which also contributed to the volume decline . conversely , domestic traffic increased 8% ( 8 % ) in 2009 compared to 2008 . a new contract with hub group , inc. , which included additional shipments , was executed in the second quarter of 2009 and more than offset the impact of weak market conditions in the second half of 2009 . price increases and fuel surcharges generated higher revenue in 2008 , partially offset by lower volume levels . international traffic declined 11% ( 11 % ) in 2008 , reflecting continued softening of imports from china and the loss of a customer contract . notably , the peak intermodal shipping season , which usually starts in the third quarter , was particularly weak in 2008 . additionally , continued weakness in domestic housing and automotive sectors translated into weak demand in large sectors of the international intermodal market , which also contributed to lower volumes . domestic traffic declined 3% ( 3 % ) in 2008 due to the loss of a customer contract and lower volumes from less-than-truckload shippers . additionally , the flood-related embargo on traffic in the midwest during the second quarter hindered intermodal volume levels in 2008 . mexico business 2013 each of our commodity groups include revenue from shipments to and from mexico . revenue from mexico business decreased 26% ( 26 % ) in 2009 versus 2008 to $ 1.2 billion . volume declined in five of our six commodity groups , down 19% ( 19 % ) in 2009 , driven by 32% ( 32 % ) and 24% ( 24 % ) reductions in industrial products and automotive shipments , respectively . conversely , energy shipments increased 9% ( 9 % ) in 2009 versus 2008 , partially offsetting these declines . revenue from mexico business increased 13% ( 13 % ) to $ 1.6 billion in 2008 compared to 2007 . price improvements and fuel surcharges contributed to these increases , partially offset by a 4% ( 4 % ) decline in volume in 2008 compared to 2007 . operating expenses millions of dollars 2009 2008 2007 % (  % ) change 2009 v 2008 % (  % ) change 2008 v 2007 .
post_text: 2009 intermodal revenue international domestic .
table: <i>Millions of Dollars</i> <i>2009</i> <i>2008</i> <i>2007</i> <i>% Change 2009 v 2008</i> % Change 2008 v 2007
table: Compensation and benefits $4,063 $4,457 $4,526 (9)% (2)%
table: Fuel 1,763 3,983 3,104 (56) 28
table: Purchased services and materials 1,614 1,902 1,856 (15) 2
table: Depreciation 1,444 1,387 1,321 4 5
table: Equipment and other rents 1,180 1,326 1,368 (11) (3)
table: Other 687 840 733 (18) 15
table: Total $10,751 $13,895 $12,908 (23)% 8%
question: Analyse this data from a financial earnings document. what was the average yearly decline in international traffic in 2008 and in 2009?