1971

3.2

1992

6.7

1955

7.9

2006

6.6

2005

6.4

1988

6.3

1997

7.1

1992

7.0

1989

3.7

1995

1.5

2023

5.6

2017

6.8

2018

6.1

1985

8.0

2002

5.3

1992

5.7

1964

5.7

1997

7.5

2024

4.7

1970

0.0