| Main subject of circulation | Maximum | Gross purchases | Mean | Standard deviation | Variable coefficient |
purchase 1 | Wholesale market | 24.37 | 158.36 | 15.84 | 8.78 | 0.55 |
purchase 2 | Leading enterprise | 19.97 | 129.10 | 12.91 | 7.47 | 0.58 |
purchase 3 | Third party logistics | 15.00 | 105.00 | 10.50 | 7.25 | 0.69 |
purchase 4 | E-commerce | 9.82 | 61.36 | 6.14 | 3.72 | 0.61 |
purchase 5 | Farm-supermarket docking | 10.00 | 60.00 | 6.00 | 5.16 | 0.86 |
purchase 6 | farmer direct selling | 5.00 | 50.00 | 5.00 | 0.00 | 0.00 |