Study on Transition of Primary Energy Structure and Carbon Emission Reduction Targets in China Based on Markov Chain Model and GM (1, 1)

Table 1

Chinese primary energy structure (unit: %, Mtoe).

Time	Crude oil	Natural gas	Coal	Nonfossil fuels	Total
2003	22.1	2.4	69.3	6.1	1204.2
2004	22.4	2.5	68.7	6.4	1423.5
2005	20.9	2.6	69.9	6.5	1566.7
2006	20.4	2.9	70.2	6.4	1729.8
2007	19.5	3.4	70.5	6.7	1862.8
2008	18.8	3.6	70.2	7.4	2002.5
2009	17.7	3.7	71.2	7.4	2187.7
2010	17.6	4.0	70.5	7.9	2432.2
2011	17.7	4.5	70.4	7.4	2613.2
2012	17.7	4.7	68.5	9.1	2735.2
2013	17.8	5.1	67.5	9.6	2852.4
2014	17.5	5.6	66.0	10.9	2972.1