2015

5.9

1995

5.6

1997

7.9

2008

6.8

1959

6.1

1987

5.2

2019

8.1

1985

8.3

1992

5.3

2014

7.7

2020

8.1

2020

6.4

2023

8.0

1988

7.2

2016

7.0

2005

5.4

2009

5.5

2007

6.7

2020

7.2

1993

6.1