2018

5.6

1975

5.8

2019

7.1

1996

8.0

1954

6.2

2009

4.4

2009

5.3

2009

4.7

2004

7.7

2001

4.5

1990

9.0

1995

7.6

1987

6.2

2014

3.1

2002

7.1

1977

7.3

2009

6.1

2002

5.9

2001

4.4

2008

2.0