2000

3.5

2015

5.4

2002

5.1

2017

6.7

1983

3.5

2002

6.4

2019

6.2

2024

3.9

2012

6.0

1996

7.0

1973

3.7

2016

4.2

1997

5.5

2005

6.3

1991

4.7

2015

6.4

2019

4.5

2004

5.1

2006

6.2

2021

2.0