2019

7.2

2021

7.0

2018

7.7

1968

8.1

1998

6.8

2015

8.2

1962

7.9

1997

7.4

2000

7.1

2019

6.3

1986

6.9

2017

6.9

1969

7.6

2009

5.6

1990

7.0

2017

5.8

2007

6.2

0.0

1988

4.4

2022

7.0