metric tons of tantalum mined

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

Australia

165

218

224

170

238

274

276

302

330

350

485

660

940

765

807

854

478

441

557

81

Brazil

90

84

60

50

50

50

55

55

310

165

190

210

200

200

213

216

176

180

180

180

Canada

86

93

48

25

36

33

55

49

57

54

57

77

58

55

57

63

56

45

40

25

D.R. Congo

10

16

8

6

1

1

--

--

NA

NA

130

60

30

15

20

33

14

71

100

87

Africa, excl.
DR Congo

45

66

59

59

8

3

3

3

82

76

208

173

242

245

333

214

146

135

313

297

WORLD

396

477

399

310

333

361

389

409

779

645

1070

1180

1470

1280

1430

1380

870

872

1190

670

1990-1993: U.S. Geological Survey, "1994 Minerals Yearbook" (MYB), "COLUMBIUM (NIOBIUM) AND TANTALUM" By Larry D. Cunningham,
Table 10; 1994-1997: MYB 1998, Table 10; 1998-2001: MYB 2002, p. 21.13; 2002-2003: MYB 2004, p. 20.13; 2004: MYB 2008, p. 52.12;
2005-2009: MYB 2009, p. 52.13. USGS did not report data for other countries (China, Kazakhstan, Russia, etc.) owing to data uncertainties.

NA Not available. -- Zero.