查询结果如下：   

年份	分类	数值（十亿美元）
2005	Change in private inventories	64.30
2006	Change in private inventories	71.60
2007	Change in private inventories	35.50
2008	Change in private inventories	-33.70
2009	Change in private inventories	-147.60
2010	Change in private inventories	58.20
2011	Change in private inventories	37.60
2012	Change in private inventories	54.70
2013	Change in private inventories	78.70
2014	Change in private inventories	57.70
2015	Change in private inventories	84.00
2016	Change in private inventories	22.00