59% (1992)

50% (2006)

61% (2005)

45% (1999)

47% (1997)

60% (2001)

68% (1992)

53% (2000)

30% (2016)

56% (2003)

30% (2018)

51% (1990)

64% (1970)

63% (2017)

56% (1981)

48% (2003)

61% (1995)

30% (2007)

64% (1988)

60% (1998)