1994

6.6

1994

0.0

2000

4.0

1986

6.0

1987

6.8

1988

1.0

2011

7.5

2013

7.5

1988

0.0

1986

5.0

2017

7.1

1996

7.6

1991

6.4

2002

7.6

2018

7.5

1991

5.9

1997

7.3

2019

6.8