73% (1925)

63% (1999)

54% (1990)

61% (1999)

54% (1989)

58% (2001)

51% (2000)

30% (2001)

30% (1990)

39% (1989)

20% (1991)

51% (2000)

57% (1990)

46% (1989)

55% (1990)

45% (1999)

56% (1991)

42% (2001)

50% (1926)

0% (1989)