2009

8.1

1999

6.1

2004

5.3

1995

7.3

2017

4.7

1973

7.5

2011

6.7

2021

2.2

1999

6.3

2000

5.3

2003

5.7

1986

7.4

2007

6.0

2022

4.3

1987

6.4

1979

6.7

1988

6.0

1988

7.2

1978

7.2

1987

8.0