Year	Pessimistic scene		Reference scene		Optimistic scene
Year	Gross	Increase rate	Gross	Increase rate	Gross	Increase rate
2015	17,062.71	7.5%	17,773.65	9.7%	18,484.60	11.9%
2016	18,531.59	8.6%	19,714.46	10.9%	20,897.33	13.1%
2017	20,160.80	8.8%	21,913.91	11.2%	23,667.02	13.3%
2018	21,525.76	6.8%	23,917.51	9.1%	26,309.27	11.2%
2019	23,106.51	7.3%	26,257.40	9.8%	29,408.29	11.8%
2020	25,004.66	8.2%	29,075.19	10.7%	33,145.71	12.7%