49% (2005)

62% (2006)

47% (2019)

49% (1995)

63% (2001)

47% (2002)

59% (2006)

33% (1990)

52% (1979)

0% (1996)

46% (2008)

60% (2011)

61% (2004)

40% (2006)

55% (1992)

66% (1997)

45% (1992)

72% (1998)

67% (2000)

70% (1999)