Annual Revenue obtained by the Government of Siam from Farms and Duties.Average Consumption of fifteen years, ending 31st March, 1832.Statement of Annual Consumption and Value of Indian Opium in China, for the following Seasons:--
| Seasons. | Patna and Benares. | Malva. | Total. |
|---|
| Chests. | Price. | Value. | Chests. | Price. | Value. | Chests. | Value. |
|---|
| Lowest. | Highest. | Average. | | | Lowest. | Highest. | Average. | | | |
|---|
| 1816-17 | 2610 | 1080 | 1320 | 1200 | 3,132,000 | 600 | 800 | 950 | 875 | 525,000 | 3210 | 3,657,000 |
| 1817-18 | 2530 | 1200 | 1330 | 1265 | 3,200,450 | 1150 | 600 | 800 | 612 | 703,800 | 3680 | 3,904,250 |
| 1818-19 | 3050 | 800 | 1200 | 1000 | 3,050,000 | 1530 | 600 | 850 | 725 | 1,109,250 | 4580 | 4,159,250 |
| 1819-20 | 2970 | 1150 | 1320 | 1235 | 3,667,950 | 1630 | 950 | 1400 | 1175 | 1,915,250 | 4600 | 5,583,200 |
| 1820-21 | 3050 | 1300 | 2500 | 1900 | 5,795,000 | 1720 | 1230 | 1800 | 1515 | 2,605,800 | 4770 | 8,400,800 |
| 1821-22 | 2910 | 1650 | 2500 | 2075 | 6,038,250 | 1718 | 1050 | 1600 | 1325 | 2,276,350 | 4628 | 8,314,600 |
| 1822-23 | 1822 | 1180 | 2550 | 1552 | 2,828,930 | 4000 | 1080 | 1500 | 1290 | 5,160,000 | 5822 | 7,988,930 |
| 1823-24 | 2910 | 1100 | 1900 | 1600 | 4,656,000 | 4172 | 800 | 1050 | 925 | 3,859,100 | 7082 | 8,515,100 |
| 1824-25 | 2655 | 900 | 1450 | 1175 | 3,119,625 | 6000 | 550 | 950 | 750 | 4,500,000 | 8655 | 7,619,625 |
| 1825-26 | 3442 | 800 | 1150 | 913 | 3,141,755 | 6179 | 560 | 850 | 723 | 4,466,450 | 9621 | 7,608,205 |
| 1826-27 | 3661 | 800 | 1250 | 1002 | 3,668,565 | 6308 | 860 | 1060 | 942 | 5,941,520 | 9969 | 9,610,085 |
| 1827-28 | 5134 | 815 | 1220 | 998 | 5,125,155 | 4401 | 950 | 1420 | 1204 | 5,299,920 | 9535 | 10,425,075 |
| 1828-29 | 5965 | 880 | 1100 | 940 | 5,604,235 | 7771 | 750 | 1250 | 968 | 6,928,880 | 13132 | 12,533,115 |
| 1829-30 | 7143 | 805 | 1000 | 860 | 6,149,577 | 6857 | 740 | 1030 | 862 | 5,907,580 | 14000 | 12,057,157 |
| 1830-31 | 6660 | 790 | 1050 | 870 | 5,790,204 | 12100 | 520 | 760 | 588 | 7,114,059 | 18760 | 12,904,263 |
| 1831-32 | 6060 | | | 953 | 4,234,815 | 8265 | | | 704 | 5,818,574 | 14225 | 11,501,584 |
| 1832-33 | 6931 | | | 798 | 4,459,170 | 14454 | | | 570 | 8,258,155 | 21385 | 13,757,290 |