1965

6.8

1967

6.7

1985

7.7

2004

5.3

2003

4.2

2001

6.9

2024

6.7

2021

0.0

2018

4.0

2023

7.1

0.0

2020

7.4

2001

6.0

1999

4.5

2024

6.7

2008

6.3

2015

7.7

2020

3.7

2013

4.3

2015

6.7