67% (1998)

59% (2014)

60% (2012)

75% (2007)

56% (2016)

66% (2000)

61% (2000)

57% (2009)

59% (1997)

61% (2009)

55% (2002)

29% (2001)

64% (2009)

59% (2016)

46% (2001)

40% (2005)

66% (2008)

52% (2007)

50% (2006)

59% (2010)