Table 1. Number of patients with STD and rate per 100,000 person-years in HIRA, South Korea from 2009 to 2014.

Years*	2009	2010	2011	2012	2013	2014	Average
Syphilis
No. of patients	23,916	22,046	22,537	22,535	21,608	22,334	22,496
Incidence rate**	49.2	45.1	45.7	45.4	43.2	44.4	45.5
Gonorrhea
No. of patients	21,451	19,704	18,924	16,962	14,191	14,139	17,562
Incidence rate	44.1	40.3	38.4	34.2	28.4	28.4	35.6
Chlamydia
No. of patients	26,474	26,462	25,517	25,781	24,904	26,980	26,020
Incidence rate	54.5	54.1	51.8	51.9	49.8	53.6	52.6
Trichomoniasis
No. of patients	126,572	120,771	125,703	123,875	156,262	160,543	137,036
Incidence rate	260.4	264.3	255.0	249.4	312.6	319.1	276.8
Genital Herpes
No. of patients	113,549	118,820	123,858	122,525	117,555	119,776	119,347
Incidence rate	234	243	251	247	235	238	241

* For 2009–2014, data were reported for the calendar year ending December, 31.

** Number of patients per 100,000 persons registered in HIRA per year.