1999

7.4

1957

7.8

2002

7.6

2015

0.0

2025

0.0

2021

6.6

2016

6.4

2018

6.7

2016

7.2

1996

7.3

2025

0.0

2018

7.5

2012

8.9

2012

3.9

1997

6.9

1997

7.4

1973

7.5

2004

8.0

2005

6.5

1988

7.1