58% (2001)

59% (2002)

62% (2011)

47% (2006)

65% (2008)

68% (2007)

67% (2006)

44% (2018)

64% (2003)

64% (2008)

55% (2012)

54% (2005)

60% (2007)

60% (1999)

47% (1998)

67% (2003)

60% (1997)