2007

7.5

2000

9.4

2015

6.8

2014

5.7

1987

4.1

1984

7.1

2017

6.5

2009

7.7

1994

7.3

1931

5.8

1988

7.4

1993

5.8

2007

7.3

2015

7.3

2006

6.2

2020

6.4

2020

6.6

2021

6.6

2013

5.6

2007

7.7