55% (1999)

60% (2014)

59% (2000)

53% (2008)

52% (1994)

51% (2002)

44% (1996)

61% (2001)

56% (2002)

62% (2008)

59% (2001)

64% (1999)

42% (2011)

45% (2018)

48% (1995)

36% (2007)

54% (1993)

49% (2005)

53% (2001)

47% (1996)