60% (2008)

63% (2020)

57% (2002)

57% (2006)

74% (2004)

59% (2001)

51% (2003)

62% (2009)

43% (1998)

57% (2017)

69% (1999)

64% (2004)

69% (2002)

54% (2006)

0% (1997)