某项目的净现金流和累计净现金流如下表所示，则该项目的静态投资回收期为（ ） 年度。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25438' and id < 2142729 and id<>'2142729' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25438' and id > 2142729 and id<>'2142729' order by id asc limit 5