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              | 年度 | 第1号保険者数 | 要介護(支援)認定者数 | 自立度(%) | 対前年変動率(%) | 対2008年変動率(%) |  
              |  | 合計 | 65~75 | 75~ | 合計 | 65~75 | 75~ | 合計 | 65~75 | 75~ | 合計 | 65~75 | 75~ | 合計 | 65~75 | 75~ |  
              | 2008 | 6,815 | 3,224 | 3,591 | 926 | 106 | 820 | 86.41 | 96.71 | 77.17 | ― | ― | ― | ― | ― | ― |  
              | 2009 | 6,840 | 3,158 | 3,682 | 1,012 | 112 | 900 | 85.20 | 96.45 | 75.56 | -1.21 | -0.26 | -1.61 | ― | ― | ― |  
              | 2010 | 6,807 | 3,061 | 3,746 | 1,066 | 111 | 955 | 84.34 | 96.37 | 74.51 | -0.87 | -0.08 | -1.05 | ― | ― | ― |  
              | 2011 | 6,834 | 3,026 | 3,808 | 1,131 | 115 | 1,016 | 83.45 | 96.20 | 73.32 | -0.89 | -0.17 | -1.19 | ― | ― | ― |  
              | 2012 | 7,034 | 3,144 | 3,890 | 1,222 | 128 | 1,094 | 82.63 | 95.93 | 71.88 | -0.82 | -0.27 | -1.44 | -3.79 | 0.78 | -5.29 |  |