Prediction on Peak Values of Carbon Dioxide Emissions from the Chinese Transportation Industry Based on the SVR Model and Scenario Analysis

Table 2

Converted turnover of the Chinese transportation industry from 1973 to 2017.

Year	Conversion turnover (10^8 t·km)
1973	7314.38
1974	7362.46
1975	8378.88
1976	7996.79
1977	9136.04
1978	11077.59
1979	12778.34
1980	13614.13
1981	13840.80
1982	14869.30
1983	16099.98
1984	18033.79
1985	20882.01
1986	23085.12
1987	25449.03
1988	27490.33
1989	29016.77
1990	29264.84
1991	31302.15
1992	32918.72
1993	34733.32
1994	37719.44
1995	40139.12
1996	40646.43
1997	42738.74
1998	42638.28
1999	45496.81
2000	49693.86
2001	53371.48
2002	56615.42
2003	59577.33
2004	76235.64
2005	87474.71
2006	96730.72
2007	110078.42
2008	119607.96
2009	131692.00
2010	152484.47
2011	171035.03
2012	185927.63
2013	180238.12
2014	194570.60
2015	192023.74
2016	200948.59
2017	212615.34