45% (2006)

51% (2011)

44% (2005)

48% (2009)

50% (2011)

40% (2003)

60% (2009)

53% (2008)

45% (2002)

59% (2019)

65% (2007)

46% (2003)

56% (2005)

50% (1997)

55% (2001)

55% (2016)

62% (2002)

0% (1970)

57% (1998)

57% (1999)