81% (2025)

56% (2011)

48% (2024)

62% (2023)

65% (2019)

72% (2009)

75% (2015)

70% (2010)

50% (2025)

71% (2008)

63% (2015)

59% (2011)

72% (2017)

50% (2010)

60% (2022)

40% (2014)

42% (2013)

0% (1970)

45% (2010)

70% (2022)