Table 3. The annual and overall incidence of central precocious puberty.

	Total			Boys			Girls
Year	Patients (n)	Population at risk (n)	Incidence	Patients (n)	Population at risk (n)	Incidence	Patients (n)	Population at risk (n)	Incidence
2004	82	5,010,225	1.6	9	2,791,694	0.3	73	2,218,531	3.3
2005	108	4,774,993	2.3	11	2,657,777	0.4	97	2,117,216	4.6
2006	97	4,545,226	2.1	9	2,528,053	0.4	88	2,017,173	4.4
2007	172	4,368,839	3.9	12	2,426,258	0.5	160	1,942,581	8.2
2008	340	4,234,864	8.0	13	2,351,580	0.6	327	1,883,284	17.4
2009	474	4,076,008	11.6	15	2,257,633	0.7	459	1,818,375	25.2
2010	923	3,963,320	23.3	25	2,180,672	1.2	898	1,782,648	50.4
Total	2,196	30,973,475	7.1	94	17,193,667	0.6	2102	13,779,808	15.3