| 指标 | 年份 | ||||
| 2003 | 2005 | 2009 | 2013 | 2014 | |
| 城市森林覆盖 | 53% | 52% | 49% | 41% | 35% |
| 一级道路 | 39% | 37% | 55% | 87% | 83% |
| 二级道路 | 42% | 42% | 58% | 87% | 85% |
| 三级道路 | 42% | 42% | 57% | 86% | 86% |
| 铁路 | 56% | 55% | 64% | 87% | 92% |
| 河流 | 88% | 82% | 85% | 83% | 86% |
| 湖泊 | 70% | 68% | 79% | 87% | 83% |