1995

5.6

2017

6.9

2014

7.0

2018

4.6

2015

5.6

1972

6.5

1999

7.2

2016

6.8

2019

5.8

2003

5.7

1995

5.2

2022

7.9

1980

6.4

2008

6.3

2008

5.7

2017

6.7

1931

6.8

2016

6.5

2004

7.1

2000

6.3