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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 | 9,686 | 5,475 | 4,211 | 1,510 | 231 | 1,279 | 84.41 | 95.78 | 69.63 |  |  |  |  |  |  |  
              | 2009 | 9,977 | 5,582 | 4,395 | 1,625 | 259 | 1,366 | 83.71 | 95.36 | 68.92 | -0.70 | -0.42 | -0.71 |  |  |  |  
              | 2010 | 10,117 | 5,508 | 4,609 | 1,737 | 249 | 1,488 | 82.83 | 95.48 | 67.72 | -0.88 | 0.12 | -1.20 |  |  |  |  
              | 2011 | 10,412 | 5,639 | 4,773 | 1,835 | 261 | 1,574 | 82.38 | 95.37 | 67.02 | -0.45 | -0.11 | -0.69 |  |  |  |  
              | 2012 | 10,921 | 5,885 | 5,036 | 2,007 | 266 | 1,741 | 81.62 | 95.48 | 65.43 | -0.75 | 0.11 | -1.59 | -2.79 | 0.30 | -4.20 |  |