2021

6.6

2001

8.1

2012

7.7

1991

1.0

1986

6.1

1999

7.1

6.7

1993

0.0

1999

7.6

1991

4.2

1992

6.7

1966

6.1

1992

7.1

1990

7.0

2006

7.8

2006

6.1

2005

8.8

2000

6.2

1987

7.7

2013

7.7