67% (2008)

52% (2006)

79% (1991)

58% (2017)

56% (2005)

73% (2006)

67% (2005)

74% (1998)

53% (2003)

70% (1996)

63% (2006)

44% (2015)

60% (1988)

60% (2005)

57% (2018)

50% (1992)

0% (1990)

55% (1991)