2018

7.7

1984

7.2

1999

5.1

1991

5.1

2021

5.5

1991

5.3

1990

5.8

2010

5.5

2014

6.5

2014

4.8

1990

6.0

2012

7.1

2003

5.2

2011

6.4

2001

7.0

1989

6.0

7.8

2004

5.9

1992

4.7

5.4