48% (1992)

54% (2010)

62% (2005)

54% (2009)

52% (1995)

63% (2014)

60% (1998)

68% (2007)

63% (2003)

58% (2017)

58% (2001)

71% (2002)

52% (2003)

57% (2002)

65% (1995)

40% (1998)

48% (2011)

47% (1995)

57% (2016)

51% (2002)