1953

7.1

1950

6.8

2009

7.2

1973

0.0

2001

6.4

2002

5.2

2001

6.7

2001

6.3

2003

6.1

2000

7.1

2020

7.2

2014

6.3

1997

0.0

1971

5.7

2007

7.1

2005

6.2

2008

0.0

1981

7.0

2021

5.5

1949

7.7