| 
  
              | 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 | 10,740 | 4,930 | 5,810 | 1,451 | 166 | 1,285 | 86.49 | 96.63 | 77.88 | ― | ― | ― | ― | ― | ― |  
              | 2009 | 10,783 | 4,862 | 5,921 | 1,451 | 158 | 1,293 | 86.54 | 96.75 | 78.16 | 0.05 | 0.12 | 0.28 | ― | ― | ― |  
              | 2010 | 10,710 | 4,732 | 5,978 | 1,507 | 148 | 1,359 | 85.93 | 96.87 | 77.27 | -0.61 | 0.12 | -0.90 | ― | ― | ― |  
              | 2011 | 10,911 | 4,881 | 6,030 | 1,545 | 142 | 1,403 | 86.60 | 96.74 | 77.72 | 0.67 | -0.13 | 0.45 | ― | ― | ― |  
              | 2012 | 11,138 | 5,044 | 6,094 | 1,596 | 149 | 1,447 | 85.67 | 97.05 | 76.26 | -0.92 | 0.30 | -1.46 | -0.82 | 0.41 | -1.63 |  |