Bef the statistic scope of state-owned units refers to state-owned economic units, collective-owned units refers to collective economic units , oth to the various other economic types.

• 1998年以前“国有单位”统计口径为“国有经济单位”，“集单位”统计口径为“集体经济单位”，“其他单位”统计口径为“其他各种经济类型单位”。