Table 2 Household WTP estimates
| Statistic | Estimate US $ |
|---|---|
| Mean WTP | 46.67 (ZAM K233,380.02) |
| Median | 35.92 (ZAM K179,624.92) |
| Aggregate WTPa | 77,076,666.30 |
| Aggregate WTPb | 56,794,956.07 |
| Per capitaa | 7.08 |
| Per capitab | 5.22 |
| % GDPa | 1.8 |
- Exchange rate: US$ 1 = ZMK5,000 based on foreign exchange bureau rate that prevailed in much of 2002–3
- Notes: superscripts a, b represent per capita WTP based on mean WTP and median WTP respectively.
- According to [17], the median is calculated as
.
.