2013

6.9

1994

6.8

2004

5.9

2004

7.2

1981

6.5

2022

5.7

2012

6.4

2003

7.5

1993

7.7

2012

7.5

2003

7.9

2009

7.0

2018

7.3

2021

7.4

2015

7.4

2003

4.6

1992

6.8

1996

5.4

2014

6.6

1982

7.1