2020

6.5

2020

5.8

1989

6.7

1976

4.9

2019

9.8

2006

6.4

2021

8.1

2013

6.6

2012

4.4

2006

6.8

2019

6.5

2006

6.7

2010

7.1

1999

6.3

1978

5.9

2011

7.2

1998

6.1

1992

6.2

2014

7.6