1999

7.6

1989

5.9

2014

6.7

2014

7.4

2026

0.0

2015

5.3

2009

5.9

2017

7.3

1984

9.2

2013

8.4

1996

7.1

2007

6.3

2013

6.5

2019

7.7

1956

6.4

2012

5.8

1972

6.4

2015

6.2

2012

6.0

2008

5.5