Forest development index of Vietnam 2005-2017(unit: %)
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
Total
Production_forest
Protection_forest
Special_use_forest
Total
Production_forest
Protection_forest
Special_use_forest
