Table:
contribution to real gross national income
real gross national income

real gross domestic product
trading gain
real exchange rate
terms of trade
net income from abroad

percent

2001 q3 to 2008 q3
2.6
1.1
-0.1
1.1
0.1
3.8

2008 q3 to 2009 q2
-6.1
-5.8
0.1
-5.9
-0.1
-11.7

2009 q2 to 2011 q2
3.2
1.7
0.0
1.7
-0.1
4.9

2011 q2 to 2016 q3
1.9
-0.9
0.0
-0.9
0.1
1.1

2011 q2 to 2014 q2
2.6
-0.4
0.0
-0.4
0.0
2.2

2014 q2 to 2016 q3
1.2
-1.3
0.0
-1.4
0.1
-0.1

Statement: between 2008 q3 to 2009 q2 and 2011 q2 to 2016 q3,the trading gain decreased 5.8 and 0.9 percentage points to the average quarterly annualized growth rate of real gni respectively.
Question: between 2008 q3 to 2009 q2 and 2011 q2 to 2016 q3,what percentage points did the trading gain changed to the average quarterly annualized growth rate of real gni respectively?
Answer: -5.8, -0.9