2022

6.7

2021

7.9

2002

6.4

2020

6.8

2007

7.1

2019

4.0

2014

6.1

1991

5.8

2016

5.2

2009

5.3

2008

6.8

1992

5.0

1989

6.0

2004

3.8

1990

1.0

1959

4.2

2018

6.1

2003

4.6

1994

6.3

2013

6.4