65% (2005)

69% (2001)

60% (2002)

70% (2004)

74% (2000)

63% (1999)

56% (2006)

59% (2001)

54% (2009)

55% (2009)

51% (1997)

50% (2006)

52% (1993)

55% (1998)

49% (1995)

42% (1999)

52% (1997)

62% (2021)

61% (1998)

44% (2000)