2001

7.8

2025

10.0

2006

6.5

1993

5.7

1984

7.2

1994

6.6

1970

4.5

2018

8.2

2020

6.9

2013

6.7

1998

6.6

1984

8.1

1999

7.9

1992

6.8

2018

6.7

2005

7.4

1998

7.3

2000

7.1

2005

6.2

2003

6.7