2020

4.0

2005

4.7

2013

9.6

1992

7.7

1996

6.9

1989

9.2

1992

6.9

2020

6.7

2008

6.1

2022

5.5

2010

7.2

1994

7.4

1949

6.9

1955

7.2

2012

5.7

1988

6.2

2011

3.8

2021

6.6

1988

7.4

2007

5.9