1995

1996

1997

1998

1999

2000

2001

Australia (AU)

40

6

7

26

23

18

20

Belgium (BE)

-

10

14

8

12

17

23

Canada (CA)

12

11

16

15

9

11

10

Switzerland (CH)

17

21

36

35

45

51

62

China (CN)

2

8

21

5

8

29

86

Germany (DE)

27

51

98

96

70

90

129

Denmark (DK)

7

13

17

10

5

11

15

France (FR)

33

51

69

67

91

88

69

Great Britain (GB)

33

35

63

85

68

59

62

Italy (IT)

11

8

11

9

11

3

8

Japan (JP)

141

274

303

219

195

218

271

South Korea (KR)

12

26

33

14

20

29

36

Netherlands (NL)

12

29

42

43

40

65

52

Norway (NO)

4

13

13

-

16

7

10

Sweden (SE)

11

9

8

-

19

18

11

Taiwan (TW)

85

86

52

-

30

47

-

United States (US)

218

280

388

335

402

437

349

Vietnam (VN)

49

78

54

40

63

69

85

Other countries

33

78

85

126

59

65

70

Total