1997

7.6

1967

6.9

2012

0.0

2014

6.4

2000

3.5

2002

4.8

1975

4.9

1997

5.5

2015

6.4

2004

5.2

2017

3.0

1991

7.4

2016

6.3

2024

1.0

2014

6.0

1995

6.5

2021

0.0

2024

6.0

2013

6.4

2003

3.8