1937

7.4

2001

7.4

2020

3.7

2005

6.7

2005

6.6

2018

3.5

2019

6.0

2021

4.5

0.0

2008

5.3

2016

6.6

2014

7.2

1989

8.3

1955

7.5

1983

7.2

1979

7.0

1986

7.9

1987

7.3

1959

8.0

2000

7.6