52% (2010)

61% (1996)

64% (1993)

57% (2013)

62% (2001)

62% (2018)

63% (1992)

61% (1997)

61% (2003)

59% (1999)

72% (2005)

52% (2006)

57% (2011)

67% (1993)

63% (2015)

75% (1992)

59% (1992)

47% (2001)

63% (1995)

55% (2015)