2002

6.3

1968

2.0

1969

6.3

2003

2.8

2013

4.4

1972

4.3

1975

3.5

2015

7.5

1973

4.6

1984

2.5

1976

5.1

1977

5.1

2019

4.4

1978

4.8

2007

6.5

2002

5.3

1976

2.3

2005

4.9

1983

5.2

1999

6.0