56% (2005)

59% (2017)

60% (1997)

51% (1997)

34% (2000)

64% (1999)

56% (2001)

34% (2001)

46% (2000)

62% (2000)

64% (1997)

49% (1997)

57% (1995)

44% (2018)

61% (2009)

46% (2001)

49% (1996)

0% (1970)

43% (1975)

35% (1996)