50% (1998)

50% (2002)

61% (2013)

65% (2019)

67% (1995)

63% (1997)

51% (1991)

63% (1994)

63% (2004)

59% (2009)

45% (1994)

60% (2002)

0% (1993)

62% (1999)

44% (2011)

57% (2001)

60% (1996)

58% (2013)

65% (2016)

56% (2006)