72% (2005)

66% (2001)

66% (2004)

62% (2009)

70% (2002)

68% (2013)

54% (2004)

67% (2016)

56% (2009)

59% (2018)

62% (2001)

61% (2002)

57% (2005)

68% (2002)

61% (2008)

65% (1999)

52% (2013)

70% (2001)

55% (1996)

50% (2003)