2012

6.5

2000

5.8

1993

5.4

2014

6.3

2000

5.0

1956

7.1

2015

6.1

1989

5.3

1994

6.6

2015

7.3

1953

5.6

2012

9.7

2008

7.8

2022

9.9

2011

6.2

2005

6.1

2017

6.9

1988

7.4

1986

7.0

2018

6.5