5.0

2015

8.1

2001

6.0

1989

9.2

2001

9.9

2007

7.5

2012

9.4

2002

8.2

2009

7.7

1994

7.4

2014

7.7

2012

9.7

1991

7.0

2020

6.4

2020

6.8

2001

6.2

2000

6.0

2021

7.4

2012

7.7

2015

7.1