1995

8.1

1996

7.0

1987

7.8

2004

7.3

1997

4.5

2012

0.0

2022

7.6

2013

5.0

2015

6.0

2016

6.0

2014

5.0

2014

6.0

2023

8.0

2024

6.0

2021

6.8

1975

0.0

2002

7.5

2000

6.2

1994

10.0

6.8