73% (1925)

61% (1999)

63% (1999)

54% (1990)

54% (1989)

58% (2001)

20% (1991)

51% (2000)

51% (2000)

30% (2001)

30% (1990)

57% (1990)

56% (1991)

55% (1990)

46% (1989)

45% (1999)

20% (1989)

42% (2001)

68% (1998)

39% (1989)