Año/País España Alemania Suecia Italia ChinaEstados Unidos

2000 13,60% 30,20% 45,60% 23,20% 1,80% 43,90%

2001 18,10% 31,60% 51,70% 27,40% 2,60% 50,10%

2002 20,40% 48,70% 70,60% 28,20% 4,60% 60,10%

2003 36,50% 53,50% 76,90% 28,70% 6,20% 63,10%

2004 40,20% 61% 81,80% 31,40% 7,30% 66,30%

2005 47,50% 68,70% 85% 35,40% 8,60% 69,60%

2006 49,80% 72,20% 88,10% 38% 10,60% 70,60%

2007 54,10% 75,20% 82,10% 40,70% 16,10% 73,50%

2008 58,20% 78,10% 89,00% 44,40% 22,50% 75,80%

2009 61,20% 79,50% 90,30% 48,50% 28,80% 78,10%

2010 62,20% 79,90% 92,40% 49,20% 35,70% 78,20%

Rusia Noruega CanadaReino Unido Suiza Irlanda

Paises Bajos

2% 26,70% 42,20% 26,80% 47,90% 17,80% 44,00%

2,90% 29,20% 45% 33,50% 54,70% 23,10% 49,20%

4,10% 72,80% 61,50% 56,50% 61,40% 26% 61,00%

8,30% 74,70% 63,90% 60,90% 64% 31% 64,10%

12,90% 74,90% 65,90% 62,80% 66,60% 33,80% 68,40%

15,20% 82,20% 67,90% 69,60% 68,30% 41,90% 80,80%

18% 82,80% 70,30% 68,80% 70,80% 55% 82,80%

24,60% 87,10% 72,80% 75% 66,50% 60,50% 86,20%

32% 90,50% 75,30% 78,20% 68,90% 65,50% 87,90%

42,10% 91,80% 77,70% 83,20% 70,90% 68,40% 90,00%

43% 94,90% 79,20% 82% 80,50% 67,20% 88,30%

Australia Moldavia Portugal Grecia Polonia Turquia Ucrania

46,80% 1,30% 16,40% 9,20% 7,30% 3,80% 0,70%

52,70% 1,50% 18,10% 11% 9,90% 5,20% 1,20%

57,60% 3,80% 59,30% 15,10% 21,20% 11,40% 1,90%

59,50% 7,40% 25,60% 16,60% 24,90% 12,30% 3,10%

61,40% 11% 29,30% 19,70% 29,00% 13,30% 3,50%

63,20% 14,60% 35% 24,40% 38,80% 15,50% 3,70%

64,90% 19,60% 38,10% 32,10% 44,60% 18,20% 4,50%

67,90% 21% 42,20% 35,60% 48,60% 28,60% 13,80%

70,80% 23,40% 44,40% 40,80% 53,10% 34,40% 22,50%

72% 35,90% 48,60% 44,10% 58,80% 35,30% 33,30%

78,30% 36,10% 48% 46,20% 58,40% 36,80% 33,90%

Croacia Dinamarca Japon

6,80% 39,20% 30,00%

11,70% 42,90% 38,50%

17,90% 64,20% 46,50%

22,80% 70,90% 48,30%

31,00% 75,90% 62,20%

33,10% 82,80% 66,80%

37,90% 86,60% 68,50%

41,40% 85% 74,10%

44,10% 84,50% 75,20%

50,40% 85,90% 77,70%

50,10% 85,90% 78,40%