2000

7.1

1998

6.5

2023

6.0

2018

4.8

2007

6.2

2014

5.8

2004

6.0

2016

4.0

2006

6.2

2005

6.7

2007

4.6

1974

7.4

2005

5.9

1991

4.7

2017

3.3

2008

5.8

1999

6.1

2023

6.6

2014

4.3

1986

6.0