Baseline data
From January 2007 to December 2012, a total of 15110 CE events occurred
over the 6 years. CE increased from year to year: 2018 in 2007, 2232 in
2008, 2443 in 2009, 2385 in 2010, 2854 in 2011, and 3178 in 2012. By age
group, there were 97 boys and 41 girls of preschool age, 59 boys and 106
girls of school age, 1643 men and 1076 women aged 20–59, and 7778 men
and 4310 women over 60 years of age(Figure 1A).