1997 6.7

1997 7.1

1997 7.1

1997 7.1

1997 7.1

1997 7.1

1997 7.1

1997 7.1

1997 7.1

1997 6.2

1997 7.1

1997 7.1

1996 7.5

1996 7.2

1996 5.7

1996 4.3

1996 3.8

1996 7.2