2017

6.1

2005

8.3

1972

6.2

2012

9.4

2015

6.4

2020

5.2

2017

9.5

2021

7.8

2019

6.8

2005

4.6

2011

6.7

1997

7.6

1995

5.6

1997

6.2

2000

6.7

1984

6.2

1984

5.7

1993

6.1

1960

7.4

2014

6.2