1989

7.3

2004

6.0

2017

9.2

2021

6.5

2021

6.2

2016

5.9

2007

7.3

1999

7.2

1990

6.1

1967

7.3

2023

6.2

1974

8.6

2020

4.8

1995

7.7

2018

8.1

1965

6.4

2002

6.9

2014

7.6

2020

6.3

1958

7.4