1988

6.1

2019

4.2

2005

8.6

1962

7.4

2004

6.7

1994

5.3

2020

7.3

1965

8.0

2015

5.8

2001

7.4

2015

7.6

1982

5.9

2015

7.1

2018

6.2

1959

6.8

1967

6.2

2012

6.9

1965

7.5

1988

6.5

1964

7.0