63% (1997)

55% (2009)

74% (1998)

66% (2000)

67% (2017)

55% (2005)

52% (2002)

62% (2011)

58% (2012)

57% (2016)

50% (1998)

55% (2005)

76% (1991)

57% (2020)

70% (1997)

62% (2006)

61% (2009)

66% (2000)

63% (2013)

68% (2019)