59% (2014)

58% (1996)

48% (2009)

52% (2011)

61% (2013)

50% (2001)

60% (2019)

55% (2006)

68% (1999)

64% (2002)

60% (2002)

62% (1999)

59% (1999)

56% (2007)

55% (1998)

63% (2000)

72% (2012)

58% (2006)

78% (2003)

46% (2008)