[Retracted] Research on the Measurement, Evolution, and Driving Factors of Green Innovation Efficiency in Yangtze River Economic Belt: A Super-SBM and Spatial Durbin Model

Table 3

Descriptive statistics of green innovation efficiency in YREB.

Index	Minimum	Maximum	Mean	Standard deviation
Number of R&D employees (10,000 people)	12656	466735	111834	134245
Total investment in R&D (Billion yuan)	324986	4365780	4326382	6023576
Total energy consumption (tons of standard coal)	4658	30480	13762	6187
New product sales revenue (billion yuan)	3795210	7456754	7134578	7238568
Number of patent applications (billion)	1785	125784	32650	33468
Exhaust emissions (10,000 tons)	8730	64390	23561	13652
Wastewater discharge (10,000 tons)	14370	455321	138542	100654
Solid waste (10,000 tons)	1450	17890	8974	4376