1999

7.4

2010

6.7

2022

7.0

1998

7.2

2015

3.8

2022

6.5

2016

6.4

2004

7.1

2012

7.5

1998

9.0

2020

8.0

1982

7.6

2007

8.6

2017

6.4

2000

10.0

2012

7.5

1976

6.6

2013

6.8

2017

6.0

1997

8.0