2010

6.6

2001

7.2

2021

7.7

2011

7.2

2013

8.6

2008

8.7

2020

6.0

1932

6.9

1996

6.2

2015

5.5

2015

6.0

2007

6.8

1990

6.4

1992

6.5

2021

6.6

5.6

1963

6.8

0.0

2015

6.5