60% (2000)

50% (1998)

41% (2009)

56% (2011)

57% (2018)

50% (2001)

58% (1999)

34% (1991)

42% (2007)

50% (1995)

37% (2011)

32% (2017)

60% (1997)

43% (1987)

47% (2015)

55% (2016)

46% (1992)

40% (1989)

0% (2013)

25% (2014)