2016

6.2

2021

6.2

2006

6.6

2002

5.4

2011

9.6

2011

6.8

2015

5.1

1991

7.7

1989

6.7

2022

4.5

2014

7.8

1999

7.1

1987

6.3

1976

4.9

1993

7.1

2014

5.8

2010

7.7

1999

6.3

5.0

1998

6.2