Food

Textile

Wood

Paper

Petroleum

Chemical

Rubber

Non-Metal

Metal

General Machinery

Electric Machinery

Optical Instruments

Transport Equipment

Mean

120.089

121.092

119.9303

118.4087

123.5415

123.3652

119.6221

120.4678

121.0066

122.0695

119.9476

121.1536

120.0526

Maximum

152.9

155.5

149.1

146

157.7

158.4

148.9

151.8

152.4

156.9

149.1

152.4

153.1

Minimum

99.3

99.7

99.5

99.1

99.3

99.2

99.7

99.5

99.4

99.7

99.7

99.6

99

Standard deviation

12.50542

14.01405

12.0492

12.02828

14.32972

15.71129

12.88895

13.55559

13.80055

15.09662

12.67317

13.18307

13.67427