1969

6.4

1937

5.5

2023

7.2

2017

7.0

2020

6.0

6.6

2005

5.3

2018

7.6

2002

9.1

2016

6.8

2008

6.6

2009

8.5

2002

5.9

1988

9.2

2014

7.6

1989

7.0

1975

9.7