silver districts throughout the Mexican Republic.*
| Places where the impost or tax has been collected. | Product of the tax from 1835 to 1839, both inclusive. | Product of the tax from 1840 to 1844, both inclusive. | Increase of yield of tax during the last five years. | Decrease of yield of tax during the last four years. | Value of total silver product in dollars, 8 1 / 4 per mark. | Mean annual product of silver in dollars, at 8 1 / 4 per mark. |
|---|---|---|---|---|---|---|
| Zacatecas........ | $350,715..7.. 9 | $306,620..5.. 1 | ................... | $44,095..2.. 8 | $43,384,215..7..0 | $4,338,421..4.. 8.. 4 |
| Guanajuato....... | 197,423..5.. 2 | 228,498..1.. 2 | $31,074..4.. 0 .... | ................... | 28,110,838..2..0 | 2,811,083..6.. 7.. 2 |
| San Luis Potosi.. | 75,682..7.. 7 | 77,373..2.. 115 / 10 | 1,690..3.. 45 / 10 | ................... | 10,101,716..7..9 | 1,010,171..5.. 6.. 9 |
| Pachuca.......... | 58,805..1.. 4 | 75,654..4.. 105 / 10 | 16,849..3.. 6 5 / 10 | ................... | 8,874,345..1..9 | 887,434..4.. 2.. 1 |