2008

5.1

2015

6.8

1990

6.5

2014

6.4

2006

7.0

2015

7.8

2014

7.0

2022

7.7

1993

7.4

2010

4.4

2002

6.0

2000

8.0

2012

5.7

2008

7.6

2010

4.6

2004

5.7

1973

7.5

2017

7.7

2006

6.9