原油和天然气

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年份	原油生产量与消费量的比率（原油自给率，%)
1980	115.10
1981	116.00
1982	117.54
1983	116.82
1984	124.44
1985	131.34
1986	127.99
1987	125.53
1988	122.34
1989	118.58
1990	117.59
1991	114.11
1992	107.44
1993	104.95
1994	104.16
1995	100.79
1996	99.17
1997	92.55
1998	92.55
1999	84.43
2000	76.77
2001	76.58
2002	73.59
2003	67.35
2004	60.63
2005	60.27
2006	57.30
2007	54.75
2008	53.63
2009	49.70
2010	47.35
2011	46.14
2012	44.45
2013	43.15
2014	40.98
2015	39.16
2016	34.96
2017	32.24
2018	30.05
2019	28.40
2020	28.03
2021	27.51
2022	29.24