2000

8.2

1989

8.0

1991

6.6

1974

5.3

2003

5.3

1991

7.4

2006

5.8

2003

7.3

2017

8.2

2009

7.9

2009

7.6

1985

6.5

1981

7.9

2006

7.5

2021

4.8

2013

7.5

2001

6.0

1952

0.0

2023

9.5

1964

8.0