71% (2018)

66% (1998)

68% (1998)

66% (1997)

68% (2006)

55% (1999)

66% (2017)

58% (2005)

60% (2009)

61% (2012)

69% (2009)

58% (2004)

73% (2014)

71% (1999)

57% (2004)

72% (2003)

72% (2001)

63% (2003)

70% (2005)

57% (2020)