Table 1. Descriptive Statistic of the Outpatients of Allergic Conjunctivitis and the Percentages in Gender and Age Group.

Year	Numbers of Outpatient Attendance	Age	Male:Female	Percentage of Patients Younger than 18 Years (%)	Percentage of Patients between 18 and 40 Years (%)	Percentage of Patients between 41 and 60 Years (%)	Percentage of Patients Older than 60 Years (%)
Total	3,211,820	54 ± 23	38%:62%	11.3	11.7	28.1	48.9
2008	510,589	54 ± 22	37%:63%	10.0	12.1	32.1	45.8
2009	596,001	54 ± 23	38%:62%	11.0	11.3	29.6	48.1
2010	620,197	55 ± 23	38%:62%	11.8	10.8	27.7	49.7
2011	713,160	55 ± 23	38%:62%	11.7	11.3	26.6	50.4
2012	771,873	54 ± 23	39%:61%	11.6	12.9	26.1	49.4