2007

6.3

1960

6.1

2020

4.2

2006

5.8

1955

7.4

1997

6.5

2014

2.9

1998

7.4

1998

6.9

1975

8.7

2003

5.9

1984

8.6

2007

5.1

2016

7.8

2004

6.7

1992

7.1

2000

6.1

2007

5.7

1995

6.4

2019

7.6