50% (2005)

60% (2002)

48% (2005)

59% (1995)

51% (1996)

71% (2000)

59% (2006)

50% (2001)

60% (2003)

0% (2004)

60% (2007)

57% (1996)

51% (2004)

61% (2001)

50% (2000)

65% (2012)

60% (1998)

58% (1999)

42% (1995)

54% (2000)