58% (2011)

56% (2005)

53% (2002)

20% (2004)

42% (2010)

40% (2004)

65% (2003)

40% (2009)

80% (2004)

0% (2012)

20% (1999)

0% (1998)

60% (2007)

30% (1996)

75% (2015)

73% (2011)

60% (1991)

38% (2007)

32% (2019)

52% (2016)