2020

7.2

2007

6.1

1995

6.0

2006

6.6

1997

6.6

1998

6.3

1999

7.3

1973

7.5

2015

5.9

2002

5.5

2002

7.5

2004

7.3

2007

7.4

1990

6.9

2016

6.8

1991

3.5

1990

7.5

1994

8.3

2020

7.0

1997

6.2