1950

7.0

2013

7.4

2019

8.2

2007

5.8

2025

0.0

0.0

2022

7.5

2023

0.0

2021

6.9

2022

8.0

1997

7.0

1995

6.7

1989

7.8

2009

6.6

2006

7.3

1978

6.3

2005

6.8

1993

5.8

2008

7.6

2021

6.0