2019

7.7

1970

6.3

2007

7.3

2018

8.3

1985

6.2

1989

5.1

2020

6.8

2021

6.0

1991

8.3

1928

7.8

2019

5.9

2019

8.5

1965

7.2

2008

6.8

2004

6.2

2012

4.8

1988

5.2

2007

6.6

1998

5.4

1993

6.5