65% (2011)

65% (2008)

57% (2015)

42% (2003)

52% (2001)

51% (2012)

58% (2007)

57% (2006)

50% (2002)

46% (1997)

62% (2017)

40% (2008)

36% (2006)

44% (2005)

44% (1994)

44% (1993)

35% (1995)

42% (2005)

21% (1995)

27% (1995)