2024

9.9

2023

8.7

1980

6.7

2005

6.3

2004

7.9

2002

5.4

2000

5.2

2007

5.1

2024

6.8

2014

7.5

1990

6.2

1991

5.7

1998

7.3

1989

8.3

2009

6.0

1972

6.4

1986

5.8

1990

6.0

1995

7.7

2008

6.1