2002

5.1

2006

6.5

2016

4.4

1988

6.3

1972

3.0

2015

7.5

2021

3.2

2005

4.9

2003

6.5

1997

5.8

1973

4.7

2017

1.5

2007

6.6

1999

6.0

1983

5.2

2000

7.4

2003

2.8

2019

4.5

1976

2.3

2021

5.7