1950

7.0

1987

5.0

2018

7.3

2023

4.6

2024

4.9

2013

5.8

2018

5.2

2015

5.7

2022

6.0

1978

6.0

2013

5.7

2013

5.8

1997

5.9

2022

7.4

2023

6.2

1989

0.0

2016

6.9

1998

6.6

2007

8.0

2005

6.8