48% (2010)

56% (1991)

53% (2005)

53% (2001)

60% (2017)

43% (2003)

0% (1990)

48% (2002)

67% (1991)

61% (2012)

0% (1970)

50% (1992)

46% (2015)

67% (2004)

41% (2006)

53% (2016)

50% (1994)

0% (1970)

54% (2006)

53% (1996)