求翻译：图2表明，随着烟草消费量减少的程度的提高，管制的总收益和总成本都在增加，但增加的幅度不同。在Q1点这之前，总收益大于总成本，政府管制有净收益；而过了Q1点，则总成本大于总收益，政府的管制是无效率的。是什么意思？

Figure 2 shows that, with the improvement in the level of tobacco consumption reduction, the total revenue and total cost of control increases, but the rate of increase. Q1 point before that, the total revenue is greater than the total cost of government regulation net income; over q1 points, the to

Figure 2 shows that, along with the reduction of consumption of tobacco, the more control the total receipts and total costs are on the rise, but the rate of increase. At this point Q before 1, the total revenue greater than the total cost, control of the government; there is a net gain of 1 points

正在翻译，请等待...

Figure 2 shows that, with the increasing reduction in tobacco consumption, increases total revenue and total cost of control, but are very different. Q1 point prior to that, total revenue is greater than the total cost, net of Government control; and Q1, the total cost is greater than the total rece

正在翻译，请等待...