|
| Country | 2001 | 2002 | 2003 | 2004 | 2005 |
| Albania | | | $4,000 | | |
| Australia | $239,165,000 | $198,043,000 | $259,334,000 | $302,169,000 | $437,285,000 |
| Belgium | | $5,000 | | | $1,000 |
| Canada | | | | $0 | $1,561,000 |
| Denmark | | | | | $1,000 |
| France | $5,000 | | $1,000 | $15,000 | |
| Greece | | | $50,000 | $84,000 | |
| India | $12,000 | | | $79,000 | |
| Indonesia | | $3,000 | | | $0 |
| Ireland | | | | $85,000 | |
| Italy | | $5,000 | $49,000 | $17,000 | $5,000 |
| Malaysia | $229,000 | $251,000 | $295,000 | $154,000 | $85,000 |
| Namibia | $102,200,000 | $115,798,000 | $47,126,000 | | |
| Netherlands | $7,000 | | | | |
| Niger | $86,168,000 | $90,249,000 | $112,956,000 | | |
| Portugal | $253,000 | | $145,000 | $313,000 | |
| Saudi Arabia | | | | | $10,000 |
| South Africa | $1,000 | | $3,000 | $0 | $0 |
| Spain | $10,428,000 | | $143,000 | | |
| United Kingdom | | $2,000 | $0 | | |
| United States | $40,000 | | $3,000 | $5,000 | $29,000 |
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