58% (1992)

60% (2005)

30% (2007)

53% (2000)

62% (2017)

45% (1999)

43% (1998)

61% (1995)

45% (2006)

68% (2018)

56% (2003)

51% (1990)

60% (2001)

64% (1988)

68% (1992)

69% (2020)

54% (1960)

38% (2005)

70% (2008)

56% (2005)