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Population characteristics.
| 2005–2007 | 2010–2012 | 2015–2017 | |
|---|---|---|---|
| N | 240,241 | 295,868 | 308,134 |
| Age | |||
| 18–45 years n (%) | 10,893 (4.5) | 13,745 (4.7) | 14,724 (4.8) |
| 46–64 years n (%) | 58,923 (24.5) | 80,621 (27.3) | 86,585 (28.1) |
| 65 + years n (%) | 170,425 (70.9) | 201,502 (68.1) | 206,825 (67.1) |
| Gender | |||
| Women n (%) | 135,816 (56.5) | 159,544 (53.9) | 161,222 (52.3) |
| Men n (%) | 104,425 (43.5) | 136,324 (46.1) | 146,912 (47.7) |
| Insurance duration | |||
| Mean (SD) | 1009 (231) | 1005 (227) | 1003 (242) |
