2010

6.1

1968

6.6

2000

6.3

1956

6.2

2009

6.5

1966

6.1

2008

5.2

2014

7.8

2006

7.8

2002

6.9

2006

5.6

2003

5.8

1989

5.9

1999

8.0

2010

5.2

2014

5.4

2011

6.9

2015

7.3

2009

7.9

2022

9.9