2016

6.6

1969

8.3

2011

7.4

1981

6.6

1996

6.0

2015

6.1

2020

6.7

1957

6.9

2011

6.2

2007

6.4

2012

7.7

2001

9.9

1987

7.1

2009

6.7

1964

7.4

1987

7.3

2021

7.8

2011

6.5

2003

7.0

2007

6.9