2006

6.9

1964

7.0

1998

5.2

1967

6.8

2003

7.5

2018

6.7

1985

7.2

2022

7.4

1966

6.8

2011

7.7

2021

10.0

2013

6.6

1970

6.4

2012

6.3

1977

6.8

2014

6.0

2011

7.1

2014

6.1

2007

4.9

2013

7.6