59% (2005)

64% (2003)

62% (2007)

52% (2003)

57% (2002)

55% (2005)

59% (2004)

47% (2011)

53% (2000)

63% (2014)

71% (2002)

71% (2009)

58% (2017)

62% (2005)

64% (2007)

67% (2007)

61% (1998)

61% (1992)

43% (2012)

53% (2009)