1987

8.0

2020

7.4

1974

7.0

2009

7.6

1992

5.0

2009

4.6

2021

8.1

1972

4.0

2002

6.8

1986

7.3

2024

9.9

2003

6.7

1997

4.7

2017

9.5

1968

5.3

2010

5.9

1984

6.7

1996

7.8

2021

7.3

2004

5.7