2018

4.9

1993

8.5

2016

6.5

2010

6.4

2001

6.7

1984

7.7

2001

7.6

2009

7.4

2009

6.8

2012

7.0

2010

7.6

2019

5.5

2002

5.1

2006

7.3

2011

7.1

1989

9.5

1996

7.5

2022

7.9

1997

7.3

2002

7.7