1960

8.4

1990

7.7

1991

7.3

2023

9.0

1998

8.3

1999

7.9

1958

8.2

2017

4.2

1976

7.6

1991

6.4

2005

10.0

2010

6.1

2001

6.8

2001

6.5

2022

0.0

1997

7.3

2007

6.3

1964

7.3

2010

8.2

2019

3.5