1990

6.3

2001

7.4

2000

7.1

2001

7.5

2000

7.1

1989

6.5

2007

8.1

2018

6.4

2005

6.3

2007

6.6

1994

7.2

2015

6.5

2015

5.0

0.0

0.0

1997

0.0

2018

4.0

1967

7.5

2025

5.8

2013

7.0