2017

6.7

2015

5.4

2017

4.4

2023

9.5

2000

4.7

2000

6.8

1952

7.6

1982

6.5

2006

6.0

1994

6.8

1999

6.1

1997

6.0

2007

6.2

2000

6.4

1996

4.5

2014

5.7

2001

6.8

1989

5.9

1987

6.8

1992

6.4