求翻译：2011年营业利润占营业收入的41.53%，较2009年增加了12.17%。主要增利因素为营业成本所占比重的下降，营业成本相比2009年占营业收入的比重下降了12.93个百分点；主要减利因素为营业税金及附加和财务费用所占比例的增加。是什么意思？

2011 operating profit accounted for 41.53% of operating income, an increase of 12.17% compared to 2009. Main share of the declining share of operating costs and increased profits by factors operating costs compared to the proportion of the total operating income decreased by 12.93 percent in 2009; l

Operating profit in 2011 operating income of 41.53 % compared with 2009, an increase of 12.17 % . The major increase in cost of doing business for the declining share of operating costs compared to 2009 the proportion of revenue declined by 12.93 points; a 100 main reducing taxes for Kim and the add

In 2011 does business the profit to account for the business income 41.53%, in 2009 increased 12.17%.Mainly increased the advantage factor to account for the proportion for business cost the drop, business cost compares in 2009 to account for the business income the proportion to drop 12.93 percenta

2011 annual operating profit 41.53% per cent of revenue, representing an increase of 2009 12.17%. Main factors of increased profits for the decline of the share of operating costs, operating costs compared to 2009, share of the operating income fell by 12.93%; main profit factor for Sales tax reduct

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