Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.

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 . <table class='wikitable'><tr><td>1</td><td>millions of dollars</td><td>2009</td><td>2008</td><td>2007</td><td>% (  % ) change 2009 v 2008</td><td>% (  % ) change 2008 v 2007</td></tr><tr><td>2</td><td>compensation and benefits</td><td>$ 4063</td><td>$ 4457</td><td>$ 4526</td><td>( 9 ) % (  % )</td><td>( 2 ) % (  % )</td></tr><tr><td>3</td><td>fuel</td><td>1763</td><td>3983</td><td>3104</td><td>-56 ( 56 )</td><td>28</td></tr><tr><td>4</td><td>purchased services and materials</td><td>1614</td><td>1902</td><td>1856</td><td>-15 ( 15 )</td><td>2</td></tr><tr><td>5</td><td>depreciation</td><td>1444</td><td>1387</td><td>1321</td><td>4</td><td>5</td></tr><tr><td>6</td><td>equipment and other rents</td><td>1180</td><td>1326</td><td>1368</td><td>-11 ( 11 )</td><td>-3 ( 3 )</td></tr><tr><td>7</td><td>other</td><td>687</td><td>840</td><td>733</td><td>-18 ( 18 )</td><td>15</td></tr><tr><td>8</td><td>total</td><td>$ 10751</td><td>$ 13895</td><td>$ 12908</td><td>( 23 ) % (  % )</td><td>8% ( 8 % )</td></tr></table> 2009 intermodal revenue international domestic .
Question: what was the yearly decline in international traffic in 2009?
Answer: 0.11
Question: and what was it in 2008?
Answer: 0.24
Question: what was, then, the total yearly decline in international traffic in both of those years?

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