60% (2001)

87% (2002)

90% (2005)

71% (2006)

72% (1997)

0% (2009)

57% (1989)

64% (2017)

70% (2016)

72% (1998)

69% (2000)

72% (1991)

52% (1993)

60% (2007)

75% (1996)

64% (2016)

67% (1996)

0% (1998)

64% (1991)

81% (2021)