56% (2003)

62% (2001)

46% (2002)

30% (2005)

62% (2002)

71% (2000)

55% (2008)

61% (1998)

64% (2004)

28% (2009)

53% (2010)

62% (2002)

63% (1999)

65% (2006)

65% (1995)

60% (2003)

40% (2016)

58% (2000)

33% (2005)

42% (2004)