Frequency rate by industries
Year	Whole	Manufacture	Mining	Construction	Transportation	Forest	Others
1971	8.14	5.81	77.83	15.5	11.3	17.89	18.14
1972	7.25	5.06	79.81	14.14	9.83	17.87	10.97
1973	6.67	5	58.46	14.22	9.34	19.86	13.44
1974	5.11	4.51	31.83	12.34	4.5	19.46	21.6
1975	4.77	3.79	29.93	8.22	5.91	19.97	22.25
1976	4.37	3.54	24.97	5.96	5.36	22.78	19.88
1977	4.32	3.25	28.04	7.63	6.27	21.69	18.27
1978	3.91	2.95	24.43	8.43	5.31	22.57	17.29
1979	3.65	2.75	24.08	6.92	5.19	21.89	17.13
1980	3.59	2.68	23.4	6.67	5.45	20.49	12.02
1981	3.25	2.36	20.21	4.55	4.93	17.8	11.03
1982	2.98	2.12	16.43	2.71	4.99	17.99	11.37
1983	3.03	1.97	14.06	2.28	5.72	18.06	9.13
1984	2.77	1.81	13.2	2.2	5.26	18.65	8.47
1985	2.52	1.67	10.93	2.09	4.94	15.02	7.89
1986	2.37	1.6	8.23	2.89	4.54	13.87	7.7
1987	2.22	1.49	5.61	2.55	4.57	13.39	7.16
1988	2.09	1.36	5.84	1.96	4.51	11.68	6.29
1989	2.05	1.35	4.24	2.39	4.64	11.45	6.16
1990	1.95	1.3	2.14	1.76	4.53	11	5.74
1991	1.92	1.33	2.41	2.27	3.9	8.45	5.92
1992	2.13	1.32	2.75	1.97	4.64	9.97	5.7
1993	2.07	1.24	2.45	1.36	4.62	9.05	5.36
1994	2	1.26	1.76	2.4	4.55	10.07	4.98
1995	1.88	1.19	2.14	2.25	4.57	9.99	4.53
1996	1.89	1.18	2.57	1.25	4.25	6.9	4.91
1997	1.75	1.1	1.74	1.11	3.76	7.61	4.17
1998	1.72	1	1.13	1.32	4.06	5.47	4.36
1999	1.8	1.02	1.37	1.44	4.54	2.47	3.65
2000	1.82	1.02	2.76	1.1	4.69	*	3.74
2001	1.79	0.97	3.4	1.61	4.71	*	4.11
2002	1.77	0.98	0.86	1.04	4.42	*	3.83
2003	1.78	0.98	1.03	1.61	4343	*	3.75
2004	1.85	0.99	0.7	1.77	2.89	*	3.26
2005	1.95	1.01	1.84	0.97	3.07	*	4.27
2006	1.9	1.02	1.27	1.55	2.69	*	2.5
2007	1.83	1.09	1.42	0.68	2.9	*	2.9
2008	1.75	1.12	0.61	0.77	3.66	*	2.18
2009	1.61					*
Year	Whole	Manufacture	Mining	Construction	Transportation	Forest	Others
	Workers number more than 1000
	Construction more than \120Million or compensation fee more than \1million
	Remark:Others are distributor and selling from 2006