2019

5.4

1986

6.9

2001

7.5

1992

7.3

2010

8.2

1984

7.2

1998

6.8

2006

5.6

2014

4.7

1997

6.6

2005

6.5

1999

6.5

1998

7.0

1998

7.2

2002

6.7

1981

6.5

1981

7.2

2000

7.2

2003

8.1

2002

6.6