From Noble, Drever, Shah, Ch 2, Series DS no. 10, Occupational Health Decennial Supplement;
	Lower 95%	Upper 95%
0	0.0000	3.6889
1	0.0253	5.5716
2	0.2422	7.2247
3	0.6187	8.7673
4	1.0899	10.2416
5	1.6235	11.6683
6	2.2019	13.0595
7	2.8144	14.4227
8	3.4538	15.7632
9	4.1154	17.0848
10	4.7954	18.3904
11	5.4912	19.6820
12	6.2006	20.9616
13	6.9220	22.2304
14	7.6539	23.4896
15	8.3954	24.7402
16	9.1454	25.9830
17	9.9031	27.2186
18	10.6679	28.4478
19	11.4392	29.6709
20	12.2165	30.8884
21	12.9993	32.1007
22	13.7873	33.3083
23	14.5800	34.5113
24	15.3773	35.7101
25	16.1787	36.9049
26	16.9841	38.0960
27	17.7932	39.2836
28	18.6058	40.4678
29	19.4218	41.6488
30	20.2409	42.8269
31	21.0630	44.0020
32	21.8880	45.1745
33	22.7157	46.3443
34	23.5460	47.5116
35	24.3788	48.6765
36	25.2140	49.8392
37	26.0514	50.9996
38	26.8911	52.1580
39	27.7328	53.3143
40	28.5766	54.4686
41	29.4223	55.6211
42	30.2699	56.7718
43	31.1193	57.9207
44	31.9705	59.0679
45	32.8233	60.2135
46	33.6778	61.3576
47	34.5338	62.5000
48	35.3914	63.6410
49	36.2505	64.7806
50	37.1110	65.9188
51	37.9278	67.0556
52	38.8361	68.1911
53	39.7006	69.3253
54	40.5665	70.4583
55	41.4335	71.5901
56	42.3018	72.7207
57	43.1712	73.8501
58	44.0418	74.9784
59	44.9135	79.1057
60	45.7863	77.2319
61	46.6602	78.3571
62	47.5350	79.4812
63	48.4109	80.6044
64	49.2878	81.7266
65	50.1656	82.8478
66	51.0444	83.9682
67	51.9241	85.0876
68	52.8047	86.2062
69	53.6861	87.3239
70	54.5684	88.4408
71	55.4516	89.5568
72	56.3356	90.6721
73	57.2203	91.7865
74	58.1059	92.9002
75	58.9923	94.0131
76	59.8794	95.1253
77	60.7672	96.2368
78	61.6558	97.3475
79	62.5450	98.4576
80	63.4350	99.5669
81	64.3257	100.6756
82	65.2170	101.7836
83	66.1090	102.8910
84	67.0017	103.9977
85	67.8950	105.1038
86	68.7889	106.2093
87	69.6834	107.3142
88	70.5786	108.4185
89	71.4743	109.5222
90	72.3706	110.6253
91	73.2675	111.7278
92	74.1650	112.8298
93	75.0630	113.9313
94	75.9616	115.0322
95	76.8607	116.1326
96	77.7603	117.2324
97	78.6605	118.3318
98	79.5611	119.4306
99	80.4623	120.5289