| 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 |