2018

7.1

2009

6.2

2005

7.8

1972

4.0

1996

5.3

1991

7.0

2013

5.9

2015

4.5

1977

6.6

2006

6.7

2023

6.5

1989

5.8

1994

6.7

1989

5.9

2010

7.7

1978

6.6

2001

6.7

2014

7.4

1988

6.2

2011

7.5