1991

7.7

1994

6.4

2022

0.0

1975

5.5

2009

4.6

2015

7.0

1987

8.0

1999

5.4

2017

7.0

2010

6.0

2011

7.1

1974

7.3

1986

4.8

2002

6.2

2020

7.5

2000

6.1

1988

7.5

2014

0.0

1966

6.5

1981

7.5