52% (2007)

67% (2021)

61% (2003)

71% (2013)

62% (1999)

62% (1998)

67% (2011)

63% (2002)

68% (1998)

54% (2009)

50% (1996)

62% (2004)

66% (2007)

67% (2005)

66% (2012)

67% (2002)

54% (2000)

43% (1997)

72% (1995)

65% (2009)