Table 4. The transition rates of U18 to U20 and U18, U20 athletes to the senior group.

		N	n	TR (%)
				Q1	Q2	Q3	Q4	Sum
U18 to U20	Man Long Jump	129	61	54.71	46.85	52.17	20.00	47.65
	Women Long Jump	202	113	58.23	62.07	57.14	36.67	55.94
	Man High Jump	132	67	49.02	51.16	56.52	46.67	50.76
	Women High Jump	213	135	69.01	60.66	50.00	71.79	63.38
U18 to senior	Man Long Jump	129	22	22.64	12.12	21.74	5.00	17.05
	Women Long Jump	202	31	11.39	18.97	22.86	10.00	15.35
	Man High Jump	132	22	11.76	23.26	13.04	20.00	16.67
	Women High Jump	213	48	18.31	27.87	16.67	28.21	22.54
U20 to senior	Man Long Jump	190	53	35.06	16.00	20.93	40.00	22.75
	Women Long Jump	227	65	25.61	29.85	31.25	30.00	28.63
	Man High Jump	233	76	29.27	41.54	23.40	35.90	33.48
	Women High Jump	256	81	27.50	29.73	34.62	38.00	36.49

N, the number of athletes meeting the selection criteria; n, the number of athletes successfully transitioning to the U20 or senior
group;Q1, first quartile; Q2, second quartile; Q3, third quartile; Q4, fourth quartile