2013

7.7

2024

6.8

2025

7.8

2021

7.1

2022

10.0

2009

7.6

2020

8.5

1995

7.4

1988

8.2

2010

5.6

1971

0.0

1972

6.0

1999

7.9

2018

7.4

1988

7.1

1996

8.5

1987

8.2

1987

4.8

1986

0.0

1996

0.0