1971

7.6

2017

7.8

2017

3.6

1996

6.6

2002

7.3

1988

7.8

2002

8.4

2024

7.2

1979

6.9

2012

6.7

2013

7.0

2015

4.0

2025

10.0

1986

5.8

1999

6.6

1985

7.7

1983

3.9

1996

6.7

1988

7.2

2026

0.0