1995

7.6

2017

4.0

2005

7.0

1998

7.1

2025

0.0

2024

6.7

1961

6.6

1958

6.1

2009

5.4

2025

10.0

1978

6.4

2010

7.7

2007

5.8

1971

6.3

1995

6.0

1998

6.6

2002

6.1

2001

4.8

1986

7.0

1971

6.2