20% (2003)

20% (2004)

45% (1995)

35% (2016)

60% (2005)

0% (1992)

39% (1996)

36% (1999)

30% (2002)

0% (1993)

77% (2005)

60% (1996)

50% (2000)

49% (2013)

55% (2006)

42% (2011)

15% (2003)

60% (2000)

0% (2016)

50% (1994)