1976

6.6

1994

8.5

1970

7.1

1979

7.0

1996

7.5

2000

7.1

2000

7.0

2023

7.5

2024

0.0

2010

5.3

2015

5.5

2025

0.0

1998

7.0

2004

7.3

2001

3.5

1976

5.9

2002

6.1

1986

6.7

2014

6.2

2014

6.7