1989

6.6

2012

4.8

2015

5.7

1990

8.5

2007

7.6

1994

5.9

1988

7.3

1969

7.8

1992

8.1

1995

8.0

2008

8.5

1972

8.7

1974

8.6

1990

7.4

1990

7.5

1992

7.5

1989

7.2

2024

7.7

1997

6.6

1984

7.3