U.S. Manufactured General Aviation Shipments, 2009–2015 Year   Qtr 1   Qtr 2   Qtr 3   Qtr 4   Total   2009     332       407       380       470       1,589     2010     240       368       281       426       1,315     2011     263       295       270       465       1,293     2012     305       365       343       518       1,531     2013     332       406       352       507       1,597     2014     343       366       368       521       1,598     2015     285       354       363       536       1,538       Use MegaStat or Minitab to calculate estimated seasonal indexes and trend. (Round your answers to 3 decimal places.)     Qtr1 Index   Qtr2 Index   Qtr3 Index   Qtr4 Index

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