+-----------------+--------+----------------+----------+
| |Wrought.| Unwrought. | Total. |
| Years ending +--------+-------+--------+----------+
| | To all | To | To all | To all |
| | parts. |India. | parts. | parts. |
+-----------------+--------+-------+--------+----------+
| |_Tons._ |_Tons._|_Tons._ | _Tons._ |
|5th January, 1825| | | 960 | |
| 1826| | | 1/2| |
| 1827| | | 130 | |
| 1828| | | 1329 | |
| 1829| | | 1079 | |
| 1830| 5327 | 1801 | 2682 | 8,009 |
| 1831| 6172 | 2317 | 3150 | 9,322 |
| 1832| 5171 | 2423 | 3714 | 8,885 |
| 1833| 5855 | 2312 | 4569 |10,424 |
| 1834| 5417 | 1769 | 4019 | 9,436 |
| 1835| 4787 | 2104 | 5283 |10,072 |
| 1836| 5948 | 1993 | 5935 |11,883 |
| 1837| 6105 | 1588 | 3909 |10,014[17]|
+-----------------+--------+-------+--------+----------+
[17] Supplement to the Mining Journal, Feb. 28. 1838.