47% (2001)

60% (2003)

39% (1994)

0% (2005)

33% (2007)

60% (1995)

67% (1998)

32% (1997)

47% (1997)

53% (2000)

62% (2000)

30% (1999)

71% (2011)

80% (2012)

48% (2016)

49% (2000)

40% (2006)

0% (2008)

40% (1999)

65% (2016)