55% (2007)

47% (2010)

44% (2015)

52% (1989)

48% (2002)

0% (2025)

80% (2024)

70% (2009)

75% (2012)

48% (2014)

60% (1987)

56% (2018)

40% (2018)

42% (1993)

64% (1986)

0% (1970)