Period Change DSR GSR FSR
2000–2015 significant restoration (restoration) 25.73% (86.99%) 31.88%(91.81%) 51.52%(88.42%)
significant degradation (degradation) 0.53% (13.01%) 0.33%(8.19%) 2.57%(11.58%)
2000–2005 significant restoration (restoration) 3.91% (73.13%) 7.98%(64.08%) 15.62%(59.11%)
significant degradation (degradation) 1.94% (26.87%) 1.35%(35.92%) 3.16%(40.89%)
2005–2010 significant restoration (restoration) 5.50% (63.36%) 3.54%(55.10%) 4.63%(60.85%)
significant degradation (degradation) 2.38% (36.64%) 2.02%(44.90%) 3.36%(39.15%)
2010–2015 significant restoration (restoration) 6.44% (51.71%) 5.68%(69.40%) 14.49%(73.16%)
significant degradation (degradation) 3.14% (48.29%) 0.82%(30.60%) 1.89%(26.84%)