Research and Development Investment Combination Forecasting Model of High-Tech Enterprises Based on Uncertain Information

Table 1

Enterprise R&D expenditures in 2011–2018.

Items	2011	2012	2013	2014	2015	2016	2017	2018
Enterprise R&D expenditures; (100 million)	6579.3	7842.2	9075.8	10060.6	10881.3	12144	13660.2	15233.7
Growth rate (%)	26.9	19.2	15.7	10.9	8.2	11.6	12.5	11.5
Proportion of the whole society (%)	75.7	76.2	76.6	77.3	76.8	77.5	77.6	77.4

Data source: “Annual Report on China’s Science and Technology Expenditures Statistics.”