2001

6.1

1968

6.9

1982

5.8

2006

10.0

1994

6.2

1997

6.0

2015

5.9

2019

6.5

2004

9.9

1981

5.8

1968

7.0

2003

6.3

2024

7.3

2000

6.7

2012

7.4

2007

6.2

2008

6.1

2022

6.5

1985

6.4

2006

5.7