6-6 能源加工转换效率(1985-2015年)
单位：%
年份	总效率	发电及电站供热	炼焦	炼油
1985	36.87	25.50	86.40
1986	34.20	25.98	87.01
1987	33.32	26.60	88.94
1988	33.91	27.43	88.19
1989	35.93	30.50	88.43
1990	36.74	31.43	87.00
1991	37.37	31.84	88.25
1992	38.78	32.01	87.08
1993	58.38	32.26	87.35	98.00
1994	57.74	32.26	87.70	97.97
1995	61.94	32.43	90.61	94.96
1996	60.54	32.51	91.10	95.41
1997	66.72	33.95	89.31	96.92
1998	59.35	33.95	97.36	96.95
1999	62.08	34.62	95.28	97.69
2000	63.63	36.04	98.01	95.38
2001	62.55	35.94	97.13	93.47
2002	57.24	36.25	97.95	94.74
2003	54.42	37.02	97.90	92.91
2004	54.81	39.65	95.39	96.44
2005	55.00	39.77	97.88	96.61
2006	55.23	39.84	98.32	99.46
2007	53.14	40.52	94.74	99.45
2008	52.21	41.16	96.84	99.15
2009	58.63	42.48	93.88	97.97
2010	63.50	42.72	92.08	96.06
2011	57.39	42.48	94.62	94.12
2012	61.30	43.24	95.83	96.21
2013	57.53	42.87	96.20	94.18
2014	64.40	44.05	93.28	95.19
2015	68.65	44.24	95.98	96.06